Home / 827,393.60-1,141,764.72-459,853.64

Finding the Fourth Proportional to 827,393.60, 1,141,764.72 and 459,853.64

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Solution

The fourth proportional to 827,393.60, 1,141,764.72 and 459,853.64 is: 634,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,393.60 : 1,141,764.72 = 459,853.64 : x
  2. Step 2: Convert to fraction form
    827,393.60/1,141,764.72 = 459,853.64/x
  3. Step 3: Cross multiply
    827,393.60x = 1,141,764.72 × 459,853.64
  4. Step 4: Simplify right side
    827,393.60x = 525,044,662,515.58
  5. Step 5: Solve for x
    x = 525,044,662,515.58/827,393.60
  6. Step 6: Final answer
    x = 634,576.65

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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.