Home / 756,095.10-1,134,142.65-436,793.10

Finding the Fourth Proportional to 756,095.10, 1,134,142.65 and 436,793.10

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Solution

The fourth proportional to 756,095.10, 1,134,142.65 and 436,793.10 is: 655,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,095.10 : 1,134,142.65 = 436,793.10 : x
  2. Step 2: Convert to fraction form
    756,095.10/1,134,142.65 = 436,793.10/x
  3. Step 3: Cross multiply
    756,095.10x = 1,134,142.65 × 436,793.10
  4. Step 4: Simplify right side
    756,095.10x = 495,385,683,935.72
  5. Step 5: Solve for x
    x = 495,385,683,935.72/756,095.10
  6. Step 6: Final answer
    x = 655,189.65

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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.