Home / 740,581.53-1,108,974.85-512,561.27

Finding the Fourth Proportional to 740,581.53, 1,108,974.85 and 512,561.27

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Solution

The fourth proportional to 740,581.53, 1,108,974.85 and 512,561.27 is: 767,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,581.53 : 1,108,974.85 = 512,561.27 : x
  2. Step 2: Convert to fraction form
    740,581.53/1,108,974.85 = 512,561.27/x
  3. Step 3: Cross multiply
    740,581.53x = 1,108,974.85 × 512,561.27
  4. Step 4: Simplify right side
    740,581.53x = 568,417,552,767.11
  5. Step 5: Solve for x
    x = 568,417,552,767.11/740,581.53
  6. Step 6: Final answer
    x = 767,528.66

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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.