Home / 756,518.10-1,134,777.15-441,330.90

Finding the Fourth Proportional to 756,518.10, 1,134,777.15 and 441,330.90

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Solution

The fourth proportional to 756,518.10, 1,134,777.15 and 441,330.90 is: 661,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,518.10 : 1,134,777.15 = 441,330.90 : x
  2. Step 2: Convert to fraction form
    756,518.10/1,134,777.15 = 441,330.90/x
  3. Step 3: Cross multiply
    756,518.10x = 1,134,777.15 × 441,330.90
  4. Step 4: Simplify right side
    756,518.10x = 500,812,220,908.94
  5. Step 5: Solve for x
    x = 500,812,220,908.94/756,518.10
  6. Step 6: Final answer
    x = 661,996.35

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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.