Home / 894,276.38-1,234,104.64-486,378.20

Finding the Fourth Proportional to 894,276.38, 1,234,104.64 and 486,378.20

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Solution

The fourth proportional to 894,276.38, 1,234,104.64 and 486,378.20 is: 671,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,276.38 : 1,234,104.64 = 486,378.20 : x
  2. Step 2: Convert to fraction form
    894,276.38/1,234,104.64 = 486,378.20/x
  3. Step 3: Cross multiply
    894,276.38x = 1,234,104.64 × 486,378.20
  4. Step 4: Simplify right side
    894,276.38x = 600,241,586,028.38
  5. Step 5: Solve for x
    x = 600,241,586,028.38/894,276.38
  6. Step 6: Final answer
    x = 671,203.67

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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.