Home / 837,752.57-1,156,049.67-470,195.55

Finding the Fourth Proportional to 837,752.57, 1,156,049.67 and 470,195.55

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Solution

The fourth proportional to 837,752.57, 1,156,049.67 and 470,195.55 is: 648,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,752.57 : 1,156,049.67 = 470,195.55 : x
  2. Step 2: Convert to fraction form
    837,752.57/1,156,049.67 = 470,195.55/x
  3. Step 3: Cross multiply
    837,752.57x = 1,156,049.67 × 470,195.55
  4. Step 4: Simplify right side
    837,752.57x = 543,569,412,984.92
  5. Step 5: Solve for x
    x = 543,569,412,984.92/837,752.57
  6. Step 6: Final answer
    x = 648,842.43

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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.