Home / 1,121,001.16-1,546,577.40-862,957

Finding the Fourth Proportional to 1,121,001.16, 1,546,577.40 and 862,957

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Solution

The fourth proportional to 1,121,001.16, 1,546,577.40 and 862,957 is: 1,190,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,001.16 : 1,546,577.40 = 862,957 : x
  2. Step 2: Convert to fraction form
    1,121,001.16/1,546,577.40 = 862,957/x
  3. Step 3: Cross multiply
    1,121,001.16x = 1,546,577.40 × 862,957
  4. Step 4: Simplify right side
    1,121,001.16x = 1,334,629,793,371.80
  5. Step 5: Solve for x
    x = 1,334,629,793,371.80/1,121,001.16
  6. Step 6: Final answer
    x = 1,190,569.50

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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.