Home / 735,470.38-1,015,031.31-445,241.86

Finding the Fourth Proportional to 735,470.38, 1,015,031.31 and 445,241.86

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Solution

The fourth proportional to 735,470.38, 1,015,031.31 and 445,241.86 is: 614,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,470.38 : 1,015,031.31 = 445,241.86 : x
  2. Step 2: Convert to fraction form
    735,470.38/1,015,031.31 = 445,241.86/x
  3. Step 3: Cross multiply
    735,470.38x = 1,015,031.31 × 445,241.86
  4. Step 4: Simplify right side
    735,470.38x = 451,934,428,422.64
  5. Step 5: Solve for x
    x = 451,934,428,422.64/735,470.38
  6. Step 6: Final answer
    x = 614,483.52

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.