Home / 1,093,328.60-1,639,280.10-981,354.20

Finding the Fourth Proportional to 1,093,328.60, 1,639,280.10 and 981,354.20

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Solution

The fourth proportional to 1,093,328.60, 1,639,280.10 and 981,354.20 is: 1,471,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,328.60 : 1,639,280.10 = 981,354.20 : x
  2. Step 2: Convert to fraction form
    1,093,328.60/1,639,280.10 = 981,354.20/x
  3. Step 3: Cross multiply
    1,093,328.60x = 1,639,280.10 × 981,354.20
  4. Step 4: Simplify right side
    1,093,328.60x = 1,608,714,411,111.42
  5. Step 5: Solve for x
    x = 1,608,714,411,111.42/1,093,328.60
  6. Step 6: Final answer
    x = 1,471,391.50

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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.