Home / 947,291.02-1,307,246.16-517,561.90

Finding the Fourth Proportional to 947,291.02, 1,307,246.16 and 517,561.90

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Solution

The fourth proportional to 947,291.02, 1,307,246.16 and 517,561.90 is: 714,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,291.02 : 1,307,246.16 = 517,561.90 : x
  2. Step 2: Convert to fraction form
    947,291.02/1,307,246.16 = 517,561.90/x
  3. Step 3: Cross multiply
    947,291.02x = 1,307,246.16 × 517,561.90
  4. Step 4: Simplify right side
    947,291.02x = 676,580,806,337.30
  5. Step 5: Solve for x
    x = 676,580,806,337.30/947,291.02
  6. Step 6: Final answer
    x = 714,226.98

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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.