Home / 687,240.80-945,029.24-596,439.12

Finding the Fourth Proportional to 687,240.80, 945,029.24 and 596,439.12

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Solution

The fourth proportional to 687,240.80, 945,029.24 and 596,439.12 is: 820,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,240.80 : 945,029.24 = 596,439.12 : x
  2. Step 2: Convert to fraction form
    687,240.80/945,029.24 = 596,439.12/x
  3. Step 3: Cross multiply
    687,240.80x = 945,029.24 × 596,439.12
  4. Step 4: Simplify right side
    687,240.80x = 563,652,405,297.67
  5. Step 5: Solve for x
    x = 563,652,405,297.67/687,240.80
  6. Step 6: Final answer
    x = 820,167.27

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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.