Home / 1,185,689.60-1,778,764.80-344,268.80

Finding the Fourth Proportional to 1,185,689.60, 1,778,764.80 and 344,268.80

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Solution

The fourth proportional to 1,185,689.60, 1,778,764.80 and 344,268.80 is: 516,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,689.60 : 1,778,764.80 = 344,268.80 : x
  2. Step 2: Convert to fraction form
    1,185,689.60/1,778,764.80 = 344,268.80/x
  3. Step 3: Cross multiply
    1,185,689.60x = 1,778,764.80 × 344,268.80
  4. Step 4: Simplify right side
    1,185,689.60x = 612,373,223,178.24
  5. Step 5: Solve for x
    x = 612,373,223,178.24/1,185,689.60
  6. Step 6: Final answer
    x = 516,470.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.