Home / 935,281.37-1,290,578.61-527,358.90

Finding the Fourth Proportional to 935,281.37, 1,290,578.61 and 527,358.90

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Solution

The fourth proportional to 935,281.37, 1,290,578.61 and 527,358.90 is: 727,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,281.37 : 1,290,578.61 = 527,358.90 : x
  2. Step 2: Convert to fraction form
    935,281.37/1,290,578.61 = 527,358.90/x
  3. Step 3: Cross multiply
    935,281.37x = 1,290,578.61 × 527,358.90
  4. Step 4: Simplify right side
    935,281.37x = 680,598,116,133.13
  5. Step 5: Solve for x
    x = 680,598,116,133.13/935,281.37
  6. Step 6: Final answer
    x = 727,693.44

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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.