Home / 1,168,686.63-1,612,789.11-659,436.39

Finding the Fourth Proportional to 1,168,686.63, 1,612,789.11 and 659,436.39

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Solution

The fourth proportional to 1,168,686.63, 1,612,789.11 and 659,436.39 is: 910,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,686.63 : 1,612,789.11 = 659,436.39 : x
  2. Step 2: Convert to fraction form
    1,168,686.63/1,612,789.11 = 659,436.39/x
  3. Step 3: Cross multiply
    1,168,686.63x = 1,612,789.11 × 659,436.39
  4. Step 4: Simplify right side
    1,168,686.63x = 1,063,531,828,529.71
  5. Step 5: Solve for x
    x = 1,063,531,828,529.71/1,168,686.63
  6. Step 6: Final answer
    x = 910,023.10

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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.