Home / 1,712,781.82-2,363,528.07-938,411.60

Finding the Fourth Proportional to 1,712,781.82, 2,363,528.07 and 938,411.60

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Solution

The fourth proportional to 1,712,781.82, 2,363,528.07 and 938,411.60 is: 1,294,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,781.82 : 2,363,528.07 = 938,411.60 : x
  2. Step 2: Convert to fraction form
    1,712,781.82/2,363,528.07 = 938,411.60/x
  3. Step 3: Cross multiply
    1,712,781.82x = 2,363,528.07 × 938,411.60
  4. Step 4: Simplify right side
    1,712,781.82x = 2,217,962,157,813.61
  5. Step 5: Solve for x
    x = 2,217,962,157,813.61/1,712,781.82
  6. Step 6: Final answer
    x = 1,294,947.28

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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.