Home / 986,711.10-1,361,661.39-534,002.10

Finding the Fourth Proportional to 986,711.10, 1,361,661.39 and 534,002.10

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Solution

The fourth proportional to 986,711.10, 1,361,661.39 and 534,002.10 is: 736,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,711.10 : 1,361,661.39 = 534,002.10 : x
  2. Step 2: Convert to fraction form
    986,711.10/1,361,661.39 = 534,002.10/x
  3. Step 3: Cross multiply
    986,711.10x = 1,361,661.39 × 534,002.10
  4. Step 4: Simplify right side
    986,711.10x = 727,130,041,748.92
  5. Step 5: Solve for x
    x = 727,130,041,748.92/986,711.10
  6. Step 6: Final answer
    x = 736,922.94

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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.