Home / 927,386.40-1,392,001.20-454,605.60

Finding the Fourth Proportional to 927,386.40, 1,392,001.20 and 454,605.60

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Solution

The fourth proportional to 927,386.40, 1,392,001.20 and 454,605.60 is: 682,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,386.40 : 1,392,001.20 = 454,605.60 : x
  2. Step 2: Convert to fraction form
    927,386.40/1,392,001.20 = 454,605.60/x
  3. Step 3: Cross multiply
    927,386.40x = 1,392,001.20 × 454,605.60
  4. Step 4: Simplify right side
    927,386.40x = 632,811,540,726.72
  5. Step 5: Solve for x
    x = 632,811,540,726.72/927,386.40
  6. Step 6: Final answer
    x = 682,360.17

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1.5x scale

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.