Home / 694,809.60-1,041,436.80-395,433.60

Finding the Fourth Proportional to 694,809.60, 1,041,436.80 and 395,433.60

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Solution

The fourth proportional to 694,809.60, 1,041,436.80 and 395,433.60 is: 592,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,809.60 : 1,041,436.80 = 395,433.60 : x
  2. Step 2: Convert to fraction form
    694,809.60/1,041,436.80 = 395,433.60/x
  3. Step 3: Cross multiply
    694,809.60x = 1,041,436.80 × 395,433.60
  4. Step 4: Simplify right side
    694,809.60x = 411,819,102,996.48
  5. Step 5: Solve for x
    x = 411,819,102,996.48/694,809.60
  6. Step 6: Final answer
    x = 592,707.85

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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.