Home / 847,328.50-1,270,991.58-216,242.29

Finding the Fourth Proportional to 847,328.50, 1,270,991.58 and 216,242.29

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Solution

The fourth proportional to 847,328.50, 1,270,991.58 and 216,242.29 is: 324,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,328.50 : 1,270,991.58 = 216,242.29 : x
  2. Step 2: Convert to fraction form
    847,328.50/1,270,991.58 = 216,242.29/x
  3. Step 3: Cross multiply
    847,328.50x = 1,270,991.58 × 216,242.29
  4. Step 4: Simplify right side
    847,328.50x = 274,842,129,829.92
  5. Step 5: Solve for x
    x = 274,842,129,829.92/847,328.50
  6. Step 6: Final answer
    x = 324,363.14

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Double scale
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Similar ratio
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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.