Home / 1,693,639.60-2,337,135.60-1,005,340.48

Finding the Fourth Proportional to 1,693,639.60, 2,337,135.60 and 1,005,340.48

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Solution

The fourth proportional to 1,693,639.60, 2,337,135.60 and 1,005,340.48 is: 1,387,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,639.60 : 2,337,135.60 = 1,005,340.48 : x
  2. Step 2: Convert to fraction form
    1,693,639.60/2,337,135.60 = 1,005,340.48/x
  3. Step 3: Cross multiply
    1,693,639.60x = 2,337,135.60 × 1,005,340.48
  4. Step 4: Simplify right side
    1,693,639.60x = 2,349,617,025,929.09
  5. Step 5: Solve for x
    x = 2,349,617,025,929.09/1,693,639.60
  6. Step 6: Final answer
    x = 1,387,318.19

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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.