Home / 986,840.73-1,361,851.47-578,949.66

Finding the Fourth Proportional to 986,840.73, 1,361,851.47 and 578,949.66

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Solution

The fourth proportional to 986,840.73, 1,361,851.47 and 578,949.66 is: 798,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,840.73 : 1,361,851.47 = 578,949.66 : x
  2. Step 2: Convert to fraction form
    986,840.73/1,361,851.47 = 578,949.66/x
  3. Step 3: Cross multiply
    986,840.73x = 1,361,851.47 × 578,949.66
  4. Step 4: Simplify right side
    986,840.73x = 788,443,445,527.00
  5. Step 5: Solve for x
    x = 788,443,445,527.00/986,840.73
  6. Step 6: Final answer
    x = 798,957.14

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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.