Home / 694,549.60-1,041,824.40-379,621.60

Finding the Fourth Proportional to 694,549.60, 1,041,824.40 and 379,621.60

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Solution

The fourth proportional to 694,549.60, 1,041,824.40 and 379,621.60 is: 569,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,549.60 : 1,041,824.40 = 379,621.60 : x
  2. Step 2: Convert to fraction form
    694,549.60/1,041,824.40 = 379,621.60/x
  3. Step 3: Cross multiply
    694,549.60x = 1,041,824.40 × 379,621.60
  4. Step 4: Simplify right side
    694,549.60x = 395,499,045,647.04
  5. Step 5: Solve for x
    x = 395,499,045,647.04/694,549.60
  6. Step 6: Final answer
    x = 569,432.40

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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.