Home / 811,387.01-1,119,337.03-524,999.36

Finding the Fourth Proportional to 811,387.01, 1,119,337.03 and 524,999.36

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Solution

The fourth proportional to 811,387.01, 1,119,337.03 and 524,999.36 is: 724,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,387.01 : 1,119,337.03 = 524,999.36 : x
  2. Step 2: Convert to fraction form
    811,387.01/1,119,337.03 = 524,999.36/x
  3. Step 3: Cross multiply
    811,387.01x = 1,119,337.03 × 524,999.36
  4. Step 4: Simplify right side
    811,387.01x = 587,651,224,374.30
  5. Step 5: Solve for x
    x = 587,651,224,374.30/811,387.01
  6. Step 6: Final answer
    x = 724,255.15

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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.