Home / 400,927.42-553,070.06-247,916.70

Finding the Fourth Proportional to 400,927.42, 553,070.06 and 247,916.70

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Solution

The fourth proportional to 400,927.42, 553,070.06 and 247,916.70 is: 341,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,927.42 : 553,070.06 = 247,916.70 : x
  2. Step 2: Convert to fraction form
    400,927.42/553,070.06 = 247,916.70/x
  3. Step 3: Cross multiply
    400,927.42x = 553,070.06 × 247,916.70
  4. Step 4: Simplify right side
    400,927.42x = 137,115,304,144.00
  5. Step 5: Solve for x
    x = 137,115,304,144.00/400,927.42
  6. Step 6: Final answer
    x = 341,995.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.