Home / 993,985.97-1,371,664.61-607,448.06

Finding the Fourth Proportional to 993,985.97, 1,371,664.61 and 607,448.06

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Solution

The fourth proportional to 993,985.97, 1,371,664.61 and 607,448.06 is: 838,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,985.97 : 1,371,664.61 = 607,448.06 : x
  2. Step 2: Convert to fraction form
    993,985.97/1,371,664.61 = 607,448.06/x
  3. Step 3: Cross multiply
    993,985.97x = 1,371,664.61 × 607,448.06
  4. Step 4: Simplify right side
    993,985.97x = 833,215,007,258.16
  5. Step 5: Solve for x
    x = 833,215,007,258.16/993,985.97
  6. Step 6: Final answer
    x = 838,256.31

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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.