Home / 423,508.16-634,665-234,053.84

Finding the Fourth Proportional to 423,508.16, 634,665 and 234,053.84

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Solution

The fourth proportional to 423,508.16, 634,665 and 234,053.84 is: 350,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,508.16 : 634,665 = 234,053.84 : x
  2. Step 2: Convert to fraction form
    423,508.16/634,665 = 234,053.84/x
  3. Step 3: Cross multiply
    423,508.16x = 634,665 × 234,053.84
  4. Step 4: Simplify right side
    423,508.16x = 148,545,780,363.60
  5. Step 5: Solve for x
    x = 148,545,780,363.60/423,508.16
  6. Step 6: Final answer
    x = 350,750.69

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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.