Home / 756,070.20-1,134,105.30-516,569.40

Finding the Fourth Proportional to 756,070.20, 1,134,105.30 and 516,569.40

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Solution

The fourth proportional to 756,070.20, 1,134,105.30 and 516,569.40 is: 774,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,070.20 : 1,134,105.30 = 516,569.40 : x
  2. Step 2: Convert to fraction form
    756,070.20/1,134,105.30 = 516,569.40/x
  3. Step 3: Cross multiply
    756,070.20x = 1,134,105.30 × 516,569.40
  4. Step 4: Simplify right side
    756,070.20x = 585,844,094,357.82
  5. Step 5: Solve for x
    x = 585,844,094,357.82/756,070.20
  6. Step 6: Final answer
    x = 774,854.10

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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.