Home / 876,101.50-1,209,020.08-473,693.50

Finding the Fourth Proportional to 876,101.50, 1,209,020.08 and 473,693.50

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Solution

The fourth proportional to 876,101.50, 1,209,020.08 and 473,693.50 is: 653,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,101.50 : 1,209,020.08 = 473,693.50 : x
  2. Step 2: Convert to fraction form
    876,101.50/1,209,020.08 = 473,693.50/x
  3. Step 3: Cross multiply
    876,101.50x = 1,209,020.08 × 473,693.50
  4. Step 4: Simplify right side
    876,101.50x = 572,704,953,265.48
  5. Step 5: Solve for x
    x = 572,704,953,265.48/876,101.50
  6. Step 6: Final answer
    x = 653,697.04

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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.