Home / 1,330,410.40-1,835,965.77-718,562.92

Finding the Fourth Proportional to 1,330,410.40, 1,835,965.77 and 718,562.92

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Solution

The fourth proportional to 1,330,410.40, 1,835,965.77 and 718,562.92 is: 991,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,410.40 : 1,835,965.77 = 718,562.92 : x
  2. Step 2: Convert to fraction form
    1,330,410.40/1,835,965.77 = 718,562.92/x
  3. Step 3: Cross multiply
    1,330,410.40x = 1,835,965.77 × 718,562.92
  4. Step 4: Simplify right side
    1,330,410.40x = 1,319,256,924,711.25
  5. Step 5: Solve for x
    x = 1,319,256,924,711.25/1,330,410.40
  6. Step 6: Final answer
    x = 991,616.52

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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.