Home / 1,986,446.40-2,979,696.90-566,502.60

Finding the Fourth Proportional to 1,986,446.40, 2,979,696.90 and 566,502.60

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Solution

The fourth proportional to 1,986,446.40, 2,979,696.90 and 566,502.60 is: 849,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,446.40 : 2,979,696.90 = 566,502.60 : x
  2. Step 2: Convert to fraction form
    1,986,446.40/2,979,696.90 = 566,502.60/x
  3. Step 3: Cross multiply
    1,986,446.40x = 2,979,696.90 × 566,502.60
  4. Step 4: Simplify right side
    1,986,446.40x = 1,688,006,041,061.94
  5. Step 5: Solve for x
    x = 1,688,006,041,061.94/1,986,446.40
  6. Step 6: Final answer
    x = 849,761.69

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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.