Home / 324,972.60-487,746.90-191,686.20

Finding the Fourth Proportional to 324,972.60, 487,746.90 and 191,686.20

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Solution

The fourth proportional to 324,972.60, 487,746.90 and 191,686.20 is: 287,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,972.60 : 487,746.90 = 191,686.20 : x
  2. Step 2: Convert to fraction form
    324,972.60/487,746.90 = 191,686.20/x
  3. Step 3: Cross multiply
    324,972.60x = 487,746.90 × 191,686.20
  4. Step 4: Simplify right side
    324,972.60x = 93,494,349,822.78
  5. Step 5: Solve for x
    x = 93,494,349,822.78/324,972.60
  6. Step 6: Final answer
    x = 287,699.18

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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.