Home / 935,359.20-1,403,038.80-336,339.90

Finding the Fourth Proportional to 935,359.20, 1,403,038.80 and 336,339.90

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Solution

The fourth proportional to 935,359.20, 1,403,038.80 and 336,339.90 is: 504,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,359.20 : 1,403,038.80 = 336,339.90 : x
  2. Step 2: Convert to fraction form
    935,359.20/1,403,038.80 = 336,339.90/x
  3. Step 3: Cross multiply
    935,359.20x = 1,403,038.80 × 336,339.90
  4. Step 4: Simplify right side
    935,359.20x = 471,897,929,688.12
  5. Step 5: Solve for x
    x = 471,897,929,688.12/935,359.20
  6. Step 6: Final answer
    x = 504,509.85

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.