Home / 756,044.40-1,134,066.60-614,326.80

Finding the Fourth Proportional to 756,044.40, 1,134,066.60 and 614,326.80

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Solution

The fourth proportional to 756,044.40, 1,134,066.60 and 614,326.80 is: 921,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,044.40 : 1,134,066.60 = 614,326.80 : x
  2. Step 2: Convert to fraction form
    756,044.40/1,134,066.60 = 614,326.80/x
  3. Step 3: Cross multiply
    756,044.40x = 1,134,066.60 × 614,326.80
  4. Step 4: Simplify right side
    756,044.40x = 696,687,505,364.88
  5. Step 5: Solve for x
    x = 696,687,505,364.88/756,044.40
  6. Step 6: Final answer
    x = 921,490.20

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Half scale
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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.