Home / 709,424.70-1,064,793.15-354,693.30

Finding the Fourth Proportional to 709,424.70, 1,064,793.15 and 354,693.30

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Solution

The fourth proportional to 709,424.70, 1,064,793.15 and 354,693.30 is: 532,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,424.70 : 1,064,793.15 = 354,693.30 : x
  2. Step 2: Convert to fraction form
    709,424.70/1,064,793.15 = 354,693.30/x
  3. Step 3: Cross multiply
    709,424.70x = 1,064,793.15 × 354,693.30
  4. Step 4: Simplify right side
    709,424.70x = 377,674,996,190.90
  5. Step 5: Solve for x
    x = 377,674,996,190.90/709,424.70
  6. Step 6: Final answer
    x = 532,367.98

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.