Home / 956,577.50-1,320,170.10-714,439.64

Finding the Fourth Proportional to 956,577.50, 1,320,170.10 and 714,439.64

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Solution

The fourth proportional to 956,577.50, 1,320,170.10 and 714,439.64 is: 985,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,577.50 : 1,320,170.10 = 714,439.64 : x
  2. Step 2: Convert to fraction form
    956,577.50/1,320,170.10 = 714,439.64/x
  3. Step 3: Cross multiply
    956,577.50x = 1,320,170.10 × 714,439.64
  4. Step 4: Simplify right side
    956,577.50x = 943,181,850,982.76
  5. Step 5: Solve for x
    x = 943,181,850,982.76/956,577.50
  6. Step 6: Final answer
    x = 985,996.27

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Double scale
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1.5x scale

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.