Home / 390,834.37-586,294.03-124,532.29

Finding the Fourth Proportional to 390,834.37, 586,294.03 and 124,532.29

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Solution

The fourth proportional to 390,834.37, 586,294.03 and 124,532.29 is: 186,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,834.37 : 586,294.03 = 124,532.29 : x
  2. Step 2: Convert to fraction form
    390,834.37/586,294.03 = 124,532.29/x
  3. Step 3: Cross multiply
    390,834.37x = 586,294.03 × 124,532.29
  4. Step 4: Simplify right side
    390,834.37x = 73,012,538,169.23
  5. Step 5: Solve for x
    x = 73,012,538,169.23/390,834.37
  6. Step 6: Final answer
    x = 186,811.97

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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.