Home / 1,117,935.90-1,542,700.71-608,637.18

Finding the Fourth Proportional to 1,117,935.90, 1,542,700.71 and 608,637.18

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Solution

The fourth proportional to 1,117,935.90, 1,542,700.71 and 608,637.18 is: 839,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,935.90 : 1,542,700.71 = 608,637.18 : x
  2. Step 2: Convert to fraction form
    1,117,935.90/1,542,700.71 = 608,637.18/x
  3. Step 3: Cross multiply
    1,117,935.90x = 1,542,700.71 × 608,637.18
  4. Step 4: Simplify right side
    1,117,935.90x = 938,945,009,718.40
  5. Step 5: Solve for x
    x = 938,945,009,718.40/1,117,935.90
  6. Step 6: Final answer
    x = 839,891.63

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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.