Home / 1,139,247.66-1,572,843.96-710,109.06

Finding the Fourth Proportional to 1,139,247.66, 1,572,843.96 and 710,109.06

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Solution

The fourth proportional to 1,139,247.66, 1,572,843.96 and 710,109.06 is: 980,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,247.66 : 1,572,843.96 = 710,109.06 : x
  2. Step 2: Convert to fraction form
    1,139,247.66/1,572,843.96 = 710,109.06/x
  3. Step 3: Cross multiply
    1,139,247.66x = 1,572,843.96 × 710,109.06
  4. Step 4: Simplify right side
    1,139,247.66x = 1,116,890,745,962.28
  5. Step 5: Solve for x
    x = 1,116,890,745,962.28/1,139,247.66
  6. Step 6: Final answer
    x = 980,375.72

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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.