Home / 974,385.12-1,343,984.25-635,312.64

Finding the Fourth Proportional to 974,385.12, 1,343,984.25 and 635,312.64

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Solution

The fourth proportional to 974,385.12, 1,343,984.25 and 635,312.64 is: 876,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,385.12 : 1,343,984.25 = 635,312.64 : x
  2. Step 2: Convert to fraction form
    974,385.12/1,343,984.25 = 635,312.64/x
  3. Step 3: Cross multiply
    974,385.12x = 1,343,984.25 × 635,312.64
  4. Step 4: Simplify right side
    974,385.12x = 853,850,181,985.92
  5. Step 5: Solve for x
    x = 853,850,181,985.92/974,385.12
  6. Step 6: Final answer
    x = 876,296.41

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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.