Home / 671,046.16-926,074.20-416,479.36

Finding the Fourth Proportional to 671,046.16, 926,074.20 and 416,479.36

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Solution

The fourth proportional to 671,046.16, 926,074.20 and 416,479.36 is: 574,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,046.16 : 926,074.20 = 416,479.36 : x
  2. Step 2: Convert to fraction form
    671,046.16/926,074.20 = 416,479.36/x
  3. Step 3: Cross multiply
    671,046.16x = 926,074.20 × 416,479.36
  4. Step 4: Simplify right side
    671,046.16x = 385,690,790,128.51
  5. Step 5: Solve for x
    x = 385,690,790,128.51/671,046.16
  6. Step 6: Final answer
    x = 574,760.45

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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.