Home / 579,112.80-799,220.96-372,565.60

Finding the Fourth Proportional to 579,112.80, 799,220.96 and 372,565.60

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Solution

The fourth proportional to 579,112.80, 799,220.96 and 372,565.60 is: 514,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,112.80 : 799,220.96 = 372,565.60 : x
  2. Step 2: Convert to fraction form
    579,112.80/799,220.96 = 372,565.60/x
  3. Step 3: Cross multiply
    579,112.80x = 799,220.96 × 372,565.60
  4. Step 4: Simplify right side
    579,112.80x = 297,762,236,494.98
  5. Step 5: Solve for x
    x = 297,762,236,494.98/579,112.80
  6. Step 6: Final answer
    x = 514,169.67

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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.