Home / 578,669.11-798,434.22-349,263.61

Finding the Fourth Proportional to 578,669.11, 798,434.22 and 349,263.61

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Solution

The fourth proportional to 578,669.11, 798,434.22 and 349,263.61 is: 481,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,669.11 : 798,434.22 = 349,263.61 : x
  2. Step 2: Convert to fraction form
    578,669.11/798,434.22 = 349,263.61/x
  3. Step 3: Cross multiply
    578,669.11x = 798,434.22 × 349,263.61
  4. Step 4: Simplify right side
    578,669.11x = 278,864,018,024.73
  5. Step 5: Solve for x
    x = 278,864,018,024.73/578,669.11
  6. Step 6: Final answer
    x = 481,905.83

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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.