Home / 756,066.20-1,134,099.30-488,377.40

Finding the Fourth Proportional to 756,066.20, 1,134,099.30 and 488,377.40

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Solution

The fourth proportional to 756,066.20, 1,134,099.30 and 488,377.40 is: 732,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,066.20 : 1,134,099.30 = 488,377.40 : x
  2. Step 2: Convert to fraction form
    756,066.20/1,134,099.30 = 488,377.40/x
  3. Step 3: Cross multiply
    756,066.20x = 1,134,099.30 × 488,377.40
  4. Step 4: Simplify right side
    756,066.20x = 553,868,467,475.82
  5. Step 5: Solve for x
    x = 553,868,467,475.82/756,066.20
  6. Step 6: Final answer
    x = 732,566.10

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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.