Home / 1,191,016.54-1,643,417.80-707,569.26

Finding the Fourth Proportional to 1,191,016.54, 1,643,417.80 and 707,569.26

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Solution

The fourth proportional to 1,191,016.54, 1,643,417.80 and 707,569.26 is: 976,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,016.54 : 1,643,417.80 = 707,569.26 : x
  2. Step 2: Convert to fraction form
    1,191,016.54/1,643,417.80 = 707,569.26/x
  3. Step 3: Cross multiply
    1,191,016.54x = 1,643,417.80 × 707,569.26
  4. Step 4: Simplify right side
    1,191,016.54x = 1,162,831,916,616.83
  5. Step 5: Solve for x
    x = 1,162,831,916,616.83/1,191,016.54
  6. Step 6: Final answer
    x = 976,335.66

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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.