Home / 735,577.80-1,103,366.70-436,979.40

Finding the Fourth Proportional to 735,577.80, 1,103,366.70 and 436,979.40

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Solution

The fourth proportional to 735,577.80, 1,103,366.70 and 436,979.40 is: 655,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,577.80 : 1,103,366.70 = 436,979.40 : x
  2. Step 2: Convert to fraction form
    735,577.80/1,103,366.70 = 436,979.40/x
  3. Step 3: Cross multiply
    735,577.80x = 1,103,366.70 × 436,979.40
  4. Step 4: Simplify right side
    735,577.80x = 482,148,518,545.98
  5. Step 5: Solve for x
    x = 482,148,518,545.98/735,577.80
  6. Step 6: Final answer
    x = 655,469.10

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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.