Home / 1,065,683.28-1,599,155.40-392,237.58

Finding the Fourth Proportional to 1,065,683.28, 1,599,155.40 and 392,237.58

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Solution

The fourth proportional to 1,065,683.28, 1,599,155.40 and 392,237.58 is: 588,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,683.28 : 1,599,155.40 = 392,237.58 : x
  2. Step 2: Convert to fraction form
    1,065,683.28/1,599,155.40 = 392,237.58/x
  3. Step 3: Cross multiply
    1,065,683.28x = 1,599,155.40 × 392,237.58
  4. Step 4: Simplify right side
    1,065,683.28x = 627,248,844,139.93
  5. Step 5: Solve for x
    x = 627,248,844,139.93/1,065,683.28
  6. Step 6: Final answer
    x = 588,588.43

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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.