Home / 811,236.93-1,119,496.98-448,654.20

Finding the Fourth Proportional to 811,236.93, 1,119,496.98 and 448,654.20

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Solution

The fourth proportional to 811,236.93, 1,119,496.98 and 448,654.20 is: 619,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,236.93 : 1,119,496.98 = 448,654.20 : x
  2. Step 2: Convert to fraction form
    811,236.93/1,119,496.98 = 448,654.20/x
  3. Step 3: Cross multiply
    811,236.93x = 1,119,496.98 × 448,654.20
  4. Step 4: Simplify right side
    811,236.93x = 502,267,021,964.32
  5. Step 5: Solve for x
    x = 502,267,021,964.32/811,236.93
  6. Step 6: Final answer
    x = 619,137.27

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Double scale
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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.