Home / 1,012,516.80-1,518,793.20-302,553.60

Finding the Fourth Proportional to 1,012,516.80, 1,518,793.20 and 302,553.60

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Solution

The fourth proportional to 1,012,516.80, 1,518,793.20 and 302,553.60 is: 453,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,516.80 : 1,518,793.20 = 302,553.60 : x
  2. Step 2: Convert to fraction form
    1,012,516.80/1,518,793.20 = 302,553.60/x
  3. Step 3: Cross multiply
    1,012,516.80x = 1,518,793.20 × 302,553.60
  4. Step 4: Simplify right side
    1,012,516.80x = 459,516,350,315.52
  5. Step 5: Solve for x
    x = 459,516,350,315.52/1,012,516.80
  6. Step 6: Final answer
    x = 453,835.78

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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.