Home / 986,527.20-1,479,790.80-514,135.20

Finding the Fourth Proportional to 986,527.20, 1,479,790.80 and 514,135.20

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Solution

The fourth proportional to 986,527.20, 1,479,790.80 and 514,135.20 is: 771,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,527.20 : 1,479,790.80 = 514,135.20 : x
  2. Step 2: Convert to fraction form
    986,527.20/1,479,790.80 = 514,135.20/x
  3. Step 3: Cross multiply
    986,527.20x = 1,479,790.80 × 514,135.20
  4. Step 4: Simplify right side
    986,527.20x = 760,812,538,916.16
  5. Step 5: Solve for x
    x = 760,812,538,916.16/986,527.20
  6. Step 6: Final answer
    x = 771,202.80

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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.