Home / 918,164.20-1,377,246.30-650,475.40

Finding the Fourth Proportional to 918,164.20, 1,377,246.30 and 650,475.40

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Solution

The fourth proportional to 918,164.20, 1,377,246.30 and 650,475.40 is: 975,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,164.20 : 1,377,246.30 = 650,475.40 : x
  2. Step 2: Convert to fraction form
    918,164.20/1,377,246.30 = 650,475.40/x
  3. Step 3: Cross multiply
    918,164.20x = 1,377,246.30 × 650,475.40
  4. Step 4: Simplify right side
    918,164.20x = 895,864,837,891.02
  5. Step 5: Solve for x
    x = 895,864,837,891.02/918,164.20
  6. Step 6: Final answer
    x = 975,713.10

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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.