Home / 487,421.06-730,860-150,366.08

Finding the Fourth Proportional to 487,421.06, 730,860 and 150,366.08

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Solution

The fourth proportional to 487,421.06, 730,860 and 150,366.08 is: 225,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,421.06 : 730,860 = 150,366.08 : x
  2. Step 2: Convert to fraction form
    487,421.06/730,860 = 150,366.08/x
  3. Step 3: Cross multiply
    487,421.06x = 730,860 × 150,366.08
  4. Step 4: Simplify right side
    487,421.06x = 109,896,553,228.80
  5. Step 5: Solve for x
    x = 109,896,553,228.80/487,421.06
  6. Step 6: Final answer
    x = 225,465.34

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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.