Home / 1,195,355.80-1,649,542.98-651,479.92

Finding the Fourth Proportional to 1,195,355.80, 1,649,542.98 and 651,479.92

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Solution

The fourth proportional to 1,195,355.80, 1,649,542.98 and 651,479.92 is: 899,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,355.80 : 1,649,542.98 = 651,479.92 : x
  2. Step 2: Convert to fraction form
    1,195,355.80/1,649,542.98 = 651,479.92/x
  3. Step 3: Cross multiply
    1,195,355.80x = 1,649,542.98 × 651,479.92
  4. Step 4: Simplify right side
    1,195,355.80x = 1,074,644,128,646.96
  5. Step 5: Solve for x
    x = 1,074,644,128,646.96/1,195,355.80
  6. Step 6: Final answer
    x = 899,016.12

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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.