Home / 753,330.16-1,039,161.32-451,349.20

Finding the Fourth Proportional to 753,330.16, 1,039,161.32 and 451,349.20

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Solution

The fourth proportional to 753,330.16, 1,039,161.32 and 451,349.20 is: 622,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,330.16 : 1,039,161.32 = 451,349.20 : x
  2. Step 2: Convert to fraction form
    753,330.16/1,039,161.32 = 451,349.20/x
  3. Step 3: Cross multiply
    753,330.16x = 1,039,161.32 × 451,349.20
  4. Step 4: Simplify right side
    753,330.16x = 469,024,630,452.94
  5. Step 5: Solve for x
    x = 469,024,630,452.94/753,330.16
  6. Step 6: Final answer
    x = 622,601.69

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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.