Home / 811,146.99-1,119,044.75-466,900.54

Finding the Fourth Proportional to 811,146.99, 1,119,044.75 and 466,900.54

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Solution

The fourth proportional to 811,146.99, 1,119,044.75 and 466,900.54 is: 644,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,146.99 : 1,119,044.75 = 466,900.54 : x
  2. Step 2: Convert to fraction form
    811,146.99/1,119,044.75 = 466,900.54/x
  3. Step 3: Cross multiply
    811,146.99x = 1,119,044.75 × 466,900.54
  4. Step 4: Simplify right side
    811,146.99x = 522,482,600,795.33
  5. Step 5: Solve for x
    x = 522,482,600,795.33/811,146.99
  6. Step 6: Final answer
    x = 644,128.14

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Half scale
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Double scale
Find fourth proportional to 811,147.99, 1,119,046.12 and 466,901.54
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.