Home / 704,702.40-1,057,168.80-231,259.20

Finding the Fourth Proportional to 704,702.40, 1,057,168.80 and 231,259.20

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Solution

The fourth proportional to 704,702.40, 1,057,168.80 and 231,259.20 is: 346,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,702.40 : 1,057,168.80 = 231,259.20 : x
  2. Step 2: Convert to fraction form
    704,702.40/1,057,168.80 = 231,259.20/x
  3. Step 3: Cross multiply
    704,702.40x = 1,057,168.80 × 231,259.20
  4. Step 4: Simplify right side
    704,702.40x = 244,480,010,952.96
  5. Step 5: Solve for x
    x = 244,480,010,952.96/704,702.40
  6. Step 6: Final answer
    x = 346,926.60

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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.