Home / 1,287,119.04-1,776,224.28-714,163.32

Finding the Fourth Proportional to 1,287,119.04, 1,776,224.28 and 714,163.32

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Solution

The fourth proportional to 1,287,119.04, 1,776,224.28 and 714,163.32 is: 985,545.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,119.04 : 1,776,224.28 = 714,163.32 : x
  2. Step 2: Convert to fraction form
    1,287,119.04/1,776,224.28 = 714,163.32/x
  3. Step 3: Cross multiply
    1,287,119.04x = 1,776,224.28 × 714,163.32
  4. Step 4: Simplify right side
    1,287,119.04x = 1,268,514,228,869.41
  5. Step 5: Solve for x
    x = 1,268,514,228,869.41/1,287,119.04
  6. Step 6: Final answer
    x = 985,545.38

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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.