Home / 876,515.76-1,314,777.42-277,479.81

Finding the Fourth Proportional to 876,515.76, 1,314,777.42 and 277,479.81

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Solution

The fourth proportional to 876,515.76, 1,314,777.42 and 277,479.81 is: 416,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,515.76 : 1,314,777.42 = 277,479.81 : x
  2. Step 2: Convert to fraction form
    876,515.76/1,314,777.42 = 277,479.81/x
  3. Step 3: Cross multiply
    876,515.76x = 1,314,777.42 × 277,479.81
  4. Step 4: Simplify right side
    876,515.76x = 364,824,188,693.89
  5. Step 5: Solve for x
    x = 364,824,188,693.89/876,515.76
  6. Step 6: Final answer
    x = 416,220.91

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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.