Home / 605,719.60-908,579.40-545,585.20

Finding the Fourth Proportional to 605,719.60, 908,579.40 and 545,585.20

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Solution

The fourth proportional to 605,719.60, 908,579.40 and 545,585.20 is: 818,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,719.60 : 908,579.40 = 545,585.20 : x
  2. Step 2: Convert to fraction form
    605,719.60/908,579.40 = 545,585.20/x
  3. Step 3: Cross multiply
    605,719.60x = 908,579.40 × 545,585.20
  4. Step 4: Simplify right side
    605,719.60x = 495,707,473,664.88
  5. Step 5: Solve for x
    x = 495,707,473,664.88/605,719.60
  6. Step 6: Final answer
    x = 818,377.80

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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.