Home / 432,834.20-648,473.70-370,626.20

Finding the Fourth Proportional to 432,834.20, 648,473.70 and 370,626.20

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Solution

The fourth proportional to 432,834.20, 648,473.70 and 370,626.20 is: 555,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,834.20 : 648,473.70 = 370,626.20 : x
  2. Step 2: Convert to fraction form
    432,834.20/648,473.70 = 370,626.20/x
  3. Step 3: Cross multiply
    432,834.20x = 648,473.70 × 370,626.20
  4. Step 4: Simplify right side
    432,834.20x = 240,341,343,230.94
  5. Step 5: Solve for x
    x = 240,341,343,230.94/432,834.20
  6. Step 6: Final answer
    x = 555,273.46

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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.