Home / 692,706.30-1,039,059.45-650,715.90

Finding the Fourth Proportional to 692,706.30, 1,039,059.45 and 650,715.90

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Solution

The fourth proportional to 692,706.30, 1,039,059.45 and 650,715.90 is: 976,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,706.30 : 1,039,059.45 = 650,715.90 : x
  2. Step 2: Convert to fraction form
    692,706.30/1,039,059.45 = 650,715.90/x
  3. Step 3: Cross multiply
    692,706.30x = 1,039,059.45 × 650,715.90
  4. Step 4: Simplify right side
    692,706.30x = 676,132,505,160.26
  5. Step 5: Solve for x
    x = 676,132,505,160.26/692,706.30
  6. Step 6: Final answer
    x = 976,073.85

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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.