Home / 579,623.60-869,392.20-242,577.20

Finding the Fourth Proportional to 579,623.60, 869,392.20 and 242,577.20

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Solution

The fourth proportional to 579,623.60, 869,392.20 and 242,577.20 is: 363,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,623.60 : 869,392.20 = 242,577.20 : x
  2. Step 2: Convert to fraction form
    579,623.60/869,392.20 = 242,577.20/x
  3. Step 3: Cross multiply
    579,623.60x = 869,392.20 × 242,577.20
  4. Step 4: Simplify right side
    579,623.60x = 210,894,725,577.84
  5. Step 5: Solve for x
    x = 210,894,725,577.84/579,623.60
  6. Step 6: Final answer
    x = 363,847.72

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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.