Home / 840,139.22-1,159,482.04-513,643.82

Finding the Fourth Proportional to 840,139.22, 1,159,482.04 and 513,643.82

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Solution

The fourth proportional to 840,139.22, 1,159,482.04 and 513,643.82 is: 708,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,139.22 : 1,159,482.04 = 513,643.82 : x
  2. Step 2: Convert to fraction form
    840,139.22/1,159,482.04 = 513,643.82/x
  3. Step 3: Cross multiply
    840,139.22x = 1,159,482.04 × 513,643.82
  4. Step 4: Simplify right side
    840,139.22x = 595,560,784,246.99
  5. Step 5: Solve for x
    x = 595,560,784,246.99/840,139.22
  6. Step 6: Final answer
    x = 708,883.44

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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.