Home / 1,712,665.28-2,363,376.96-938,142.08

Finding the Fourth Proportional to 1,712,665.28, 2,363,376.96 and 938,142.08

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Solution

The fourth proportional to 1,712,665.28, 2,363,376.96 and 938,142.08 is: 1,294,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,665.28 : 2,363,376.96 = 938,142.08 : x
  2. Step 2: Convert to fraction form
    1,712,665.28/2,363,376.96 = 938,142.08/x
  3. Step 3: Cross multiply
    1,712,665.28x = 2,363,376.96 × 938,142.08
  4. Step 4: Simplify right side
    1,712,665.28x = 2,217,183,377,078.48
  5. Step 5: Solve for x
    x = 2,217,183,377,078.48/1,712,665.28
  6. Step 6: Final answer
    x = 1,294,580.68

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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.