Home / 1,098,758.16-1,512,761.40-856,730.16

Finding the Fourth Proportional to 1,098,758.16, 1,512,761.40 and 856,730.16

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Solution

The fourth proportional to 1,098,758.16, 1,512,761.40 and 856,730.16 is: 1,179,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,758.16 : 1,512,761.40 = 856,730.16 : x
  2. Step 2: Convert to fraction form
    1,098,758.16/1,512,761.40 = 856,730.16/x
  3. Step 3: Cross multiply
    1,098,758.16x = 1,512,761.40 × 856,730.16
  4. Step 4: Simplify right side
    1,098,758.16x = 1,296,028,316,263.82
  5. Step 5: Solve for x
    x = 1,296,028,316,263.82/1,098,758.16
  6. Step 6: Final answer
    x = 1,179,539.20

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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.