Home / 1,036,149.76-1,554,312.10-288,195.76

Finding the Fourth Proportional to 1,036,149.76, 1,554,312.10 and 288,195.76

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Solution

The fourth proportional to 1,036,149.76, 1,554,312.10 and 288,195.76 is: 432,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,149.76 : 1,554,312.10 = 288,195.76 : x
  2. Step 2: Convert to fraction form
    1,036,149.76/1,554,312.10 = 288,195.76/x
  3. Step 3: Cross multiply
    1,036,149.76x = 1,554,312.10 × 288,195.76
  4. Step 4: Simplify right side
    1,036,149.76x = 447,946,156,936.70
  5. Step 5: Solve for x
    x = 447,946,156,936.70/1,036,149.76
  6. Step 6: Final answer
    x = 432,317.97

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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.