Home / 683,411.80-1,025,117.70-633,645.40

Finding the Fourth Proportional to 683,411.80, 1,025,117.70 and 633,645.40

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Solution

The fourth proportional to 683,411.80, 1,025,117.70 and 633,645.40 is: 950,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,411.80 : 1,025,117.70 = 633,645.40 : x
  2. Step 2: Convert to fraction form
    683,411.80/1,025,117.70 = 633,645.40/x
  3. Step 3: Cross multiply
    683,411.80x = 1,025,117.70 × 633,645.40
  4. Step 4: Simplify right side
    683,411.80x = 649,561,115,063.58
  5. Step 5: Solve for x
    x = 649,561,115,063.58/683,411.80
  6. Step 6: Final answer
    x = 950,468.10

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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.