Home / 955,007.74-1,317,882.90-525,287.76

Finding the Fourth Proportional to 955,007.74, 1,317,882.90 and 525,287.76

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Solution

The fourth proportional to 955,007.74, 1,317,882.90 and 525,287.76 is: 724,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,007.74 : 1,317,882.90 = 525,287.76 : x
  2. Step 2: Convert to fraction form
    955,007.74/1,317,882.90 = 525,287.76/x
  3. Step 3: Cross multiply
    955,007.74x = 1,317,882.90 × 525,287.76
  4. Step 4: Simplify right side
    955,007.74x = 692,267,753,511.07
  5. Step 5: Solve for x
    x = 692,267,753,511.07/955,007.74
  6. Step 6: Final answer
    x = 724,881.82

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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.