Home / 1,272,009.28-1,755,405.12-699,064

Finding the Fourth Proportional to 1,272,009.28, 1,755,405.12 and 699,064

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Solution

The fourth proportional to 1,272,009.28, 1,755,405.12 and 699,064 is: 964,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,009.28 : 1,755,405.12 = 699,064 : x
  2. Step 2: Convert to fraction form
    1,272,009.28/1,755,405.12 = 699,064/x
  3. Step 3: Cross multiply
    1,272,009.28x = 1,755,405.12 × 699,064
  4. Step 4: Simplify right side
    1,272,009.28x = 1,227,140,524,807.68
  5. Step 5: Solve for x
    x = 1,227,140,524,807.68/1,272,009.28
  6. Step 6: Final answer
    x = 964,726.08

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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.