Home / 913,142.41-1,369,773.75-239,240.23

Finding the Fourth Proportional to 913,142.41, 1,369,773.75 and 239,240.23

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Solution

The fourth proportional to 913,142.41, 1,369,773.75 and 239,240.23 is: 358,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,142.41 : 1,369,773.75 = 239,240.23 : x
  2. Step 2: Convert to fraction form
    913,142.41/1,369,773.75 = 239,240.23/x
  3. Step 3: Cross multiply
    913,142.41x = 1,369,773.75 × 239,240.23
  4. Step 4: Simplify right side
    913,142.41x = 327,704,983,573.53
  5. Step 5: Solve for x
    x = 327,704,983,573.53/913,142.41
  6. Step 6: Final answer
    x = 358,876.10

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Double scale
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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.