Home / 956,108.79-1,319,132.18-542,577.03

Finding the Fourth Proportional to 956,108.79, 1,319,132.18 and 542,577.03

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Solution

The fourth proportional to 956,108.79, 1,319,132.18 and 542,577.03 is: 748,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,108.79 : 1,319,132.18 = 542,577.03 : x
  2. Step 2: Convert to fraction form
    956,108.79/1,319,132.18 = 542,577.03/x
  3. Step 3: Cross multiply
    956,108.79x = 1,319,132.18 × 542,577.03
  4. Step 4: Simplify right side
    956,108.79x = 715,730,820,401.83
  5. Step 5: Solve for x
    x = 715,730,820,401.83/956,108.79
  6. Step 6: Final answer
    x = 748,587.22

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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.