Home / 756,046.40-1,134,069.60-614,328.80

Finding the Fourth Proportional to 756,046.40, 1,134,069.60 and 614,328.80

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Solution

The fourth proportional to 756,046.40, 1,134,069.60 and 614,328.80 is: 921,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,046.40 : 1,134,069.60 = 614,328.80 : x
  2. Step 2: Convert to fraction form
    756,046.40/1,134,069.60 = 614,328.80/x
  3. Step 3: Cross multiply
    756,046.40x = 1,134,069.60 × 614,328.80
  4. Step 4: Simplify right side
    756,046.40x = 696,691,616,484.48
  5. Step 5: Solve for x
    x = 696,691,616,484.48/756,046.40
  6. Step 6: Final answer
    x = 921,493.20

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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.