Home / 763,246.30-1,144,869.45-230,711.80

Finding the Fourth Proportional to 763,246.30, 1,144,869.45 and 230,711.80

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Solution

The fourth proportional to 763,246.30, 1,144,869.45 and 230,711.80 is: 346,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,246.30 : 1,144,869.45 = 230,711.80 : x
  2. Step 2: Convert to fraction form
    763,246.30/1,144,869.45 = 230,711.80/x
  3. Step 3: Cross multiply
    763,246.30x = 1,144,869.45 × 230,711.80
  4. Step 4: Simplify right side
    763,246.30x = 264,134,891,574.51
  5. Step 5: Solve for x
    x = 264,134,891,574.51/763,246.30
  6. Step 6: Final answer
    x = 346,067.70

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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.