Home / 432,017.20-647,795.40-182,417.20

Finding the Fourth Proportional to 432,017.20, 647,795.40 and 182,417.20

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Solution

The fourth proportional to 432,017.20, 647,795.40 and 182,417.20 is: 273,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,017.20 : 647,795.40 = 182,417.20 : x
  2. Step 2: Convert to fraction form
    432,017.20/647,795.40 = 182,417.20/x
  3. Step 3: Cross multiply
    432,017.20x = 647,795.40 × 182,417.20
  4. Step 4: Simplify right side
    432,017.20x = 118,169,023,040.88
  5. Step 5: Solve for x
    x = 118,169,023,040.88/432,017.20
  6. Step 6: Final answer
    x = 273,528.51

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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.