Home / 760,679.97-1,049,734.47-416,509.68

Finding the Fourth Proportional to 760,679.97, 1,049,734.47 and 416,509.68

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Solution

The fourth proportional to 760,679.97, 1,049,734.47 and 416,509.68 is: 574,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,679.97 : 1,049,734.47 = 416,509.68 : x
  2. Step 2: Convert to fraction form
    760,679.97/1,049,734.47 = 416,509.68/x
  3. Step 3: Cross multiply
    760,679.97x = 1,049,734.47 × 416,509.68
  4. Step 4: Simplify right side
    760,679.97x = 437,224,568,184.67
  5. Step 5: Solve for x
    x = 437,224,568,184.67/760,679.97
  6. Step 6: Final answer
    x = 574,781.23

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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.