Home / 872,515.44-1,307,436.20-587,150.16

Finding the Fourth Proportional to 872,515.44, 1,307,436.20 and 587,150.16

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Solution

The fourth proportional to 872,515.44, 1,307,436.20 and 587,150.16 is: 879,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,515.44 : 1,307,436.20 = 587,150.16 : x
  2. Step 2: Convert to fraction form
    872,515.44/1,307,436.20 = 587,150.16/x
  3. Step 3: Cross multiply
    872,515.44x = 1,307,436.20 × 587,150.16
  4. Step 4: Simplify right side
    872,515.44x = 767,661,374,019.79
  5. Step 5: Solve for x
    x = 767,661,374,019.79/872,515.44
  6. Step 6: Final answer
    x = 879,825.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.