Home / 1,265,449.76-1,746,320.72-692,489.96

Finding the Fourth Proportional to 1,265,449.76, 1,746,320.72 and 692,489.96

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Solution

The fourth proportional to 1,265,449.76, 1,746,320.72 and 692,489.96 is: 955,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,449.76 : 1,746,320.72 = 692,489.96 : x
  2. Step 2: Convert to fraction form
    1,265,449.76/1,746,320.72 = 692,489.96/x
  3. Step 3: Cross multiply
    1,265,449.76x = 1,746,320.72 × 692,489.96
  4. Step 4: Simplify right side
    1,265,449.76x = 1,209,309,565,539.97
  5. Step 5: Solve for x
    x = 1,209,309,565,539.97/1,265,449.76
  6. Step 6: Final answer
    x = 955,636.17

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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.