Home / 501,902.20-692,616.40-275,546.08

Finding the Fourth Proportional to 501,902.20, 692,616.40 and 275,546.08

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Solution

The fourth proportional to 501,902.20, 692,616.40 and 275,546.08 is: 380,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,902.20 : 692,616.40 = 275,546.08 : x
  2. Step 2: Convert to fraction form
    501,902.20/692,616.40 = 275,546.08/x
  3. Step 3: Cross multiply
    501,902.20x = 692,616.40 × 275,546.08
  4. Step 4: Simplify right side
    501,902.20x = 190,847,733,963.71
  5. Step 5: Solve for x
    x = 190,847,733,963.71/501,902.20
  6. Step 6: Final answer
    x = 380,248.85

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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.