Home / 853,124.19-1,279,925.43-373,393.80

Finding the Fourth Proportional to 853,124.19, 1,279,925.43 and 373,393.80

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Solution

The fourth proportional to 853,124.19, 1,279,925.43 and 373,393.80 is: 560,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,124.19 : 1,279,925.43 = 373,393.80 : x
  2. Step 2: Convert to fraction form
    853,124.19/1,279,925.43 = 373,393.80/x
  3. Step 3: Cross multiply
    853,124.19x = 1,279,925.43 × 373,393.80
  4. Step 4: Simplify right side
    853,124.19x = 477,916,213,624.71
  5. Step 5: Solve for x
    x = 477,916,213,624.71/853,124.19
  6. Step 6: Final answer
    x = 560,195.36

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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.