Home / 1,212,437.04-1,818,655.26-413,718.54

Finding the Fourth Proportional to 1,212,437.04, 1,818,655.26 and 413,718.54

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Solution

The fourth proportional to 1,212,437.04, 1,818,655.26 and 413,718.54 is: 620,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,437.04 : 1,818,655.26 = 413,718.54 : x
  2. Step 2: Convert to fraction form
    1,212,437.04/1,818,655.26 = 413,718.54/x
  3. Step 3: Cross multiply
    1,212,437.04x = 1,818,655.26 × 413,718.54
  4. Step 4: Simplify right side
    1,212,437.04x = 752,411,398,930.52
  5. Step 5: Solve for x
    x = 752,411,398,930.52/1,212,437.04
  6. Step 6: Final answer
    x = 620,577.71

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.