Home / 1,199,443.60-1,655,293.80-690,222.16

Finding the Fourth Proportional to 1,199,443.60, 1,655,293.80 and 690,222.16

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Solution

The fourth proportional to 1,199,443.60, 1,655,293.80 and 690,222.16 is: 952,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,443.60 : 1,655,293.80 = 690,222.16 : x
  2. Step 2: Convert to fraction form
    1,199,443.60/1,655,293.80 = 690,222.16/x
  3. Step 3: Cross multiply
    1,199,443.60x = 1,655,293.80 × 690,222.16
  4. Step 4: Simplify right side
    1,199,443.60x = 1,142,520,462,070.61
  5. Step 5: Solve for x
    x = 1,142,520,462,070.61/1,199,443.60
  6. Step 6: Final answer
    x = 952,542.05

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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.