Home / 760,765.18-1,049,782.20-454,780.24

Finding the Fourth Proportional to 760,765.18, 1,049,782.20 and 454,780.24

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Solution

The fourth proportional to 760,765.18, 1,049,782.20 and 454,780.24 is: 627,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,765.18 : 1,049,782.20 = 454,780.24 : x
  2. Step 2: Convert to fraction form
    760,765.18/1,049,782.20 = 454,780.24/x
  3. Step 3: Cross multiply
    760,765.18x = 1,049,782.20 × 454,780.24
  4. Step 4: Simplify right side
    760,765.18x = 477,420,200,863.73
  5. Step 5: Solve for x
    x = 477,420,200,863.73/760,765.18
  6. Step 6: Final answer
    x = 627,552.64

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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.