Home / 941,677.12-1,299,456.20-528,191.14

Finding the Fourth Proportional to 941,677.12, 1,299,456.20 and 528,191.14

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Solution

The fourth proportional to 941,677.12, 1,299,456.20 and 528,191.14 is: 728,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,677.12 : 1,299,456.20 = 528,191.14 : x
  2. Step 2: Convert to fraction form
    941,677.12/1,299,456.20 = 528,191.14/x
  3. Step 3: Cross multiply
    941,677.12x = 1,299,456.20 × 528,191.14
  4. Step 4: Simplify right side
    941,677.12x = 686,361,251,658.07
  5. Step 5: Solve for x
    x = 686,361,251,658.07/941,677.12
  6. Step 6: Final answer
    x = 728,871.11

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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.