Home / 1,191,304-1,787,177.40-392,641.66

Finding the Fourth Proportional to 1,191,304, 1,787,177.40 and 392,641.66

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Solution

The fourth proportional to 1,191,304, 1,787,177.40 and 392,641.66 is: 589,035.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,304 : 1,787,177.40 = 392,641.66 : x
  2. Step 2: Convert to fraction form
    1,191,304/1,787,177.40 = 392,641.66/x
  3. Step 3: Cross multiply
    1,191,304x = 1,787,177.40 × 392,641.66
  4. Step 4: Simplify right side
    1,191,304x = 701,720,301,050.48
  5. Step 5: Solve for x
    x = 701,720,301,050.48/1,191,304
  6. Step 6: Final answer
    x = 589,035.46

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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.