Home / 1,191,017.04-1,643,418.50-707,569.76

Finding the Fourth Proportional to 1,191,017.04, 1,643,418.50 and 707,569.76

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Solution

The fourth proportional to 1,191,017.04, 1,643,418.50 and 707,569.76 is: 976,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,017.04 : 1,643,418.50 = 707,569.76 : x
  2. Step 2: Convert to fraction form
    1,191,017.04/1,643,418.50 = 707,569.76/x
  3. Step 3: Cross multiply
    1,191,017.04x = 1,643,418.50 × 707,569.76
  4. Step 4: Simplify right side
    1,191,017.04x = 1,162,833,221,869.62
  5. Step 5: Solve for x
    x = 1,162,833,221,869.62/1,191,017.04
  6. Step 6: Final answer
    x = 976,336.34

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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.