Home / 1,137,656.80-1,705,825-538,612.90

Finding the Fourth Proportional to 1,137,656.80, 1,705,825 and 538,612.90

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Solution

The fourth proportional to 1,137,656.80, 1,705,825 and 538,612.90 is: 807,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,656.80 : 1,705,825 = 538,612.90 : x
  2. Step 2: Convert to fraction form
    1,137,656.80/1,705,825 = 538,612.90/x
  3. Step 3: Cross multiply
    1,137,656.80x = 1,705,825 × 538,612.90
  4. Step 4: Simplify right side
    1,137,656.80x = 918,779,350,142.50
  5. Step 5: Solve for x
    x = 918,779,350,142.50/1,137,656.80
  6. Step 6: Final answer
    x = 807,606.78

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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.