Home / 1,252,398.11-1,728,256.36-708,543.15

Finding the Fourth Proportional to 1,252,398.11, 1,728,256.36 and 708,543.15

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Solution

The fourth proportional to 1,252,398.11, 1,728,256.36 and 708,543.15 is: 977,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,398.11 : 1,728,256.36 = 708,543.15 : x
  2. Step 2: Convert to fraction form
    1,252,398.11/1,728,256.36 = 708,543.15/x
  3. Step 3: Cross multiply
    1,252,398.11x = 1,728,256.36 × 708,543.15
  4. Step 4: Simplify right side
    1,252,398.11x = 1,224,544,199,618.90
  5. Step 5: Solve for x
    x = 1,224,544,199,618.90/1,252,398.11
  6. Step 6: Final answer
    x = 977,759.54

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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.