Home / 566,719.04-782,073.42-312,070.70

Finding the Fourth Proportional to 566,719.04, 782,073.42 and 312,070.70

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Solution

The fourth proportional to 566,719.04, 782,073.42 and 312,070.70 is: 430,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,719.04 : 782,073.42 = 312,070.70 : x
  2. Step 2: Convert to fraction form
    566,719.04/782,073.42 = 312,070.70/x
  3. Step 3: Cross multiply
    566,719.04x = 782,073.42 × 312,070.70
  4. Step 4: Simplify right side
    566,719.04x = 244,062,199,630.79
  5. Step 5: Solve for x
    x = 244,062,199,630.79/566,719.04
  6. Step 6: Final answer
    x = 430,658.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.