Home / 756,048.40-1,134,072.60-614,330.80

Finding the Fourth Proportional to 756,048.40, 1,134,072.60 and 614,330.80

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Solution

The fourth proportional to 756,048.40, 1,134,072.60 and 614,330.80 is: 921,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,048.40 : 1,134,072.60 = 614,330.80 : x
  2. Step 2: Convert to fraction form
    756,048.40/1,134,072.60 = 614,330.80/x
  3. Step 3: Cross multiply
    756,048.40x = 1,134,072.60 × 614,330.80
  4. Step 4: Simplify right side
    756,048.40x = 696,695,727,616.08
  5. Step 5: Solve for x
    x = 696,695,727,616.08/756,048.40
  6. Step 6: Final answer
    x = 921,496.20

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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.