Home / 845,785.50-1,167,076.71-463,711.74

Finding the Fourth Proportional to 845,785.50, 1,167,076.71 and 463,711.74

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Solution

The fourth proportional to 845,785.50, 1,167,076.71 and 463,711.74 is: 639,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,785.50 : 1,167,076.71 = 463,711.74 : x
  2. Step 2: Convert to fraction form
    845,785.50/1,167,076.71 = 463,711.74/x
  3. Step 3: Cross multiply
    845,785.50x = 1,167,076.71 × 463,711.74
  4. Step 4: Simplify right side
    845,785.50x = 541,187,171,907.58
  5. Step 5: Solve for x
    x = 541,187,171,907.58/845,785.50
  6. Step 6: Final answer
    x = 639,863.38

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Double scale
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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.