Home / 986,711.60-1,361,662.08-534,002.60

Finding the Fourth Proportional to 986,711.60, 1,361,662.08 and 534,002.60

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Solution

The fourth proportional to 986,711.60, 1,361,662.08 and 534,002.60 is: 736,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,711.60 : 1,361,662.08 = 534,002.60 : x
  2. Step 2: Convert to fraction form
    986,711.60/1,361,662.08 = 534,002.60/x
  3. Step 3: Cross multiply
    986,711.60x = 1,361,662.08 × 534,002.60
  4. Step 4: Simplify right side
    986,711.60x = 727,131,091,041.41
  5. Step 5: Solve for x
    x = 727,131,091,041.41/986,711.60
  6. Step 6: Final answer
    x = 736,923.63

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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.