Home / 614,117.30-921,867.15-474,494.90

Finding the Fourth Proportional to 614,117.30, 921,867.15 and 474,494.90

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Solution

The fourth proportional to 614,117.30, 921,867.15 and 474,494.90 is: 712,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,117.30 : 921,867.15 = 474,494.90 : x
  2. Step 2: Convert to fraction form
    614,117.30/921,867.15 = 474,494.90/x
  3. Step 3: Cross multiply
    614,117.30x = 921,867.15 × 474,494.90
  4. Step 4: Simplify right side
    614,117.30x = 437,421,261,152.54
  5. Step 5: Solve for x
    x = 437,421,261,152.54/614,117.30
  6. Step 6: Final answer
    x = 712,276.40

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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.