Home / 956,852.40-1,320,473.20-527,129.60

Finding the Fourth Proportional to 956,852.40, 1,320,473.20 and 527,129.60

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Solution

The fourth proportional to 956,852.40, 1,320,473.20 and 527,129.60 is: 727,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,852.40 : 1,320,473.20 = 527,129.60 : x
  2. Step 2: Convert to fraction form
    956,852.40/1,320,473.20 = 527,129.60/x
  3. Step 3: Cross multiply
    956,852.40x = 1,320,473.20 × 527,129.60
  4. Step 4: Simplify right side
    956,852.40x = 696,060,509,726.72
  5. Step 5: Solve for x
    x = 696,060,509,726.72/956,852.40
  6. Step 6: Final answer
    x = 727,448.15

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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.