Home / 423,928.77-584,437.11-338,178.78

Finding the Fourth Proportional to 423,928.77, 584,437.11 and 338,178.78

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Solution

The fourth proportional to 423,928.77, 584,437.11 and 338,178.78 is: 466,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,928.77 : 584,437.11 = 338,178.78 : x
  2. Step 2: Convert to fraction form
    423,928.77/584,437.11 = 338,178.78/x
  3. Step 3: Cross multiply
    423,928.77x = 584,437.11 × 338,178.78
  4. Step 4: Simplify right side
    423,928.77x = 197,644,228,846.53
  5. Step 5: Solve for x
    x = 197,644,228,846.53/423,928.77
  6. Step 6: Final answer
    x = 466,220.37

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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.