Home / 760,375.26-1,049,246.46-454,390.74

Finding the Fourth Proportional to 760,375.26, 1,049,246.46 and 454,390.74

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Solution

The fourth proportional to 760,375.26, 1,049,246.46 and 454,390.74 is: 627,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,375.26 : 1,049,246.46 = 454,390.74 : x
  2. Step 2: Convert to fraction form
    760,375.26/1,049,246.46 = 454,390.74/x
  3. Step 3: Cross multiply
    760,375.26x = 1,049,246.46 × 454,390.74
  4. Step 4: Simplify right side
    760,375.26x = 476,767,875,401.78
  5. Step 5: Solve for x
    x = 476,767,875,401.78/760,375.26
  6. Step 6: Final answer
    x = 627,016.55

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1.5x scale

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.