Home / 1,265,719.75-1,746,626.21-692,649.20

Finding the Fourth Proportional to 1,265,719.75, 1,746,626.21 and 692,649.20

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Solution

The fourth proportional to 1,265,719.75, 1,746,626.21 and 692,649.20 is: 955,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,719.75 : 1,746,626.21 = 692,649.20 : x
  2. Step 2: Convert to fraction form
    1,265,719.75/1,746,626.21 = 692,649.20/x
  3. Step 3: Cross multiply
    1,265,719.75x = 1,746,626.21 × 692,649.20
  4. Step 4: Simplify right side
    1,265,719.75x = 1,209,799,247,055.53
  5. Step 5: Solve for x
    x = 1,209,799,247,055.53/1,265,719.75
  6. Step 6: Final answer
    x = 955,819.21

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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.