Home / 763,151.76-1,053,259.00-457,240.28

Finding the Fourth Proportional to 763,151.76, 1,053,259.00 and 457,240.28

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Solution

The fourth proportional to 763,151.76, 1,053,259.00 and 457,240.28 is: 631,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,151.76 : 1,053,259.00 = 457,240.28 : x
  2. Step 2: Convert to fraction form
    763,151.76/1,053,259.00 = 457,240.28/x
  3. Step 3: Cross multiply
    763,151.76x = 1,053,259.00 × 457,240.28
  4. Step 4: Simplify right side
    763,151.76x = 481,592,433,663.12
  5. Step 5: Solve for x
    x = 481,592,433,663.12/763,151.76
  6. Step 6: Final answer
    x = 631,057.23

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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.