Home / 534,621.91-737,778.77-289,607.22

Finding the Fourth Proportional to 534,621.91, 737,778.77 and 289,607.22

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Solution

The fourth proportional to 534,621.91, 737,778.77 and 289,607.22 is: 399,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,621.91 : 737,778.77 = 289,607.22 : x
  2. Step 2: Convert to fraction form
    534,621.91/737,778.77 = 289,607.22/x
  3. Step 3: Cross multiply
    534,621.91x = 737,778.77 × 289,607.22
  4. Step 4: Simplify right side
    534,621.91x = 213,666,053,417.79
  5. Step 5: Solve for x
    x = 213,666,053,417.79/534,621.91
  6. Step 6: Final answer
    x = 399,658.24

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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.