Home / 754,397-1,041,036.12-427,731.96

Finding the Fourth Proportional to 754,397, 1,041,036.12 and 427,731.96

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Solution

The fourth proportional to 754,397, 1,041,036.12 and 427,731.96 is: 590,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,397 : 1,041,036.12 = 427,731.96 : x
  2. Step 2: Convert to fraction form
    754,397/1,041,036.12 = 427,731.96/x
  3. Step 3: Cross multiply
    754,397x = 1,041,036.12 × 427,731.96
  4. Step 4: Simplify right side
    754,397x = 445,284,420,038.40
  5. Step 5: Solve for x
    x = 445,284,420,038.40/754,397
  6. Step 6: Final answer
    x = 590,252.11

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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.