Home / 674,246.10-1,011,369.15-607,890.90

Finding the Fourth Proportional to 674,246.10, 1,011,369.15 and 607,890.90

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Solution

The fourth proportional to 674,246.10, 1,011,369.15 and 607,890.90 is: 911,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,246.10 : 1,011,369.15 = 607,890.90 : x
  2. Step 2: Convert to fraction form
    674,246.10/1,011,369.15 = 607,890.90/x
  3. Step 3: Cross multiply
    674,246.10x = 1,011,369.15 × 607,890.90
  4. Step 4: Simplify right side
    674,246.10x = 614,802,102,825.74
  5. Step 5: Solve for x
    x = 614,802,102,825.74/674,246.10
  6. Step 6: Final answer
    x = 911,836.35

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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.