Home / 402,216.06-602,405.19-192,001.62

Finding the Fourth Proportional to 402,216.06, 602,405.19 and 192,001.62

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Solution

The fourth proportional to 402,216.06, 602,405.19 and 192,001.62 is: 287,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,216.06 : 602,405.19 = 192,001.62 : x
  2. Step 2: Convert to fraction form
    402,216.06/602,405.19 = 192,001.62/x
  3. Step 3: Cross multiply
    402,216.06x = 602,405.19 × 192,001.62
  4. Step 4: Simplify right side
    402,216.06x = 115,662,772,376.41
  5. Step 5: Solve for x
    x = 115,662,772,376.41/402,216.06
  6. Step 6: Final answer
    x = 287,563.78

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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.