Home / 1,085,712.10-1,628,568.15-911,529.70

Finding the Fourth Proportional to 1,085,712.10, 1,628,568.15 and 911,529.70

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Solution

The fourth proportional to 1,085,712.10, 1,628,568.15 and 911,529.70 is: 1,367,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,712.10 : 1,628,568.15 = 911,529.70 : x
  2. Step 2: Convert to fraction form
    1,085,712.10/1,628,568.15 = 911,529.70/x
  3. Step 3: Cross multiply
    1,085,712.10x = 1,628,568.15 × 911,529.70
  4. Step 4: Simplify right side
    1,085,712.10x = 1,484,488,237,199.06
  5. Step 5: Solve for x
    x = 1,484,488,237,199.06/1,085,712.10
  6. Step 6: Final answer
    x = 1,367,294.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.