Home / 424,719.82-637,079.58-154,868.32

Finding the Fourth Proportional to 424,719.82, 637,079.58 and 154,868.32

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Solution

The fourth proportional to 424,719.82, 637,079.58 and 154,868.32 is: 232,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,719.82 : 637,079.58 = 154,868.32 : x
  2. Step 2: Convert to fraction form
    424,719.82/637,079.58 = 154,868.32/x
  3. Step 3: Cross multiply
    424,719.82x = 637,079.58 × 154,868.32
  4. Step 4: Simplify right side
    424,719.82x = 98,663,445,057.26
  5. Step 5: Solve for x
    x = 98,663,445,057.26/424,719.82
  6. Step 6: Final answer
    x = 232,302.43

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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.