Home / 670,812.10-1,006,218.15-604,456.90

Finding the Fourth Proportional to 670,812.10, 1,006,218.15 and 604,456.90

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Solution

The fourth proportional to 670,812.10, 1,006,218.15 and 604,456.90 is: 906,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,812.10 : 1,006,218.15 = 604,456.90 : x
  2. Step 2: Convert to fraction form
    670,812.10/1,006,218.15 = 604,456.90/x
  3. Step 3: Cross multiply
    670,812.10x = 1,006,218.15 × 604,456.90
  4. Step 4: Simplify right side
    670,812.10x = 608,215,503,672.74
  5. Step 5: Solve for x
    x = 608,215,503,672.74/670,812.10
  6. Step 6: Final answer
    x = 906,685.35

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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.