Home / 437,621.80-656,432.70-374,636.20

Finding the Fourth Proportional to 437,621.80, 656,432.70 and 374,636.20

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Solution

The fourth proportional to 437,621.80, 656,432.70 and 374,636.20 is: 561,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,621.80 : 656,432.70 = 374,636.20 : x
  2. Step 2: Convert to fraction form
    437,621.80/656,432.70 = 374,636.20/x
  3. Step 3: Cross multiply
    437,621.80x = 656,432.70 × 374,636.20
  4. Step 4: Simplify right side
    437,621.80x = 245,923,452,283.74
  5. Step 5: Solve for x
    x = 245,923,452,283.74/437,621.80
  6. Step 6: Final answer
    x = 561,954.30

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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.