Home / 935,324.70-1,403,400.15-455,286.30

Finding the Fourth Proportional to 935,324.70, 1,403,400.15 and 455,286.30

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Solution

The fourth proportional to 935,324.70, 1,403,400.15 and 455,286.30 is: 683,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,324.70 : 1,403,400.15 = 455,286.30 : x
  2. Step 2: Convert to fraction form
    935,324.70/1,403,400.15 = 455,286.30/x
  3. Step 3: Cross multiply
    935,324.70x = 1,403,400.15 × 455,286.30
  4. Step 4: Simplify right side
    935,324.70x = 638,948,861,712.95
  5. Step 5: Solve for x
    x = 638,948,861,712.95/935,324.70
  6. Step 6: Final answer
    x = 683,130.53

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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.