Home / 312,055.10-468,082.65-303,307.10

Finding the Fourth Proportional to 312,055.10, 468,082.65 and 303,307.10

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Solution

The fourth proportional to 312,055.10, 468,082.65 and 303,307.10 is: 454,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,055.10 : 468,082.65 = 303,307.10 : x
  2. Step 2: Convert to fraction form
    312,055.10/468,082.65 = 303,307.10/x
  3. Step 3: Cross multiply
    312,055.10x = 468,082.65 × 303,307.10
  4. Step 4: Simplify right side
    312,055.10x = 141,972,791,131.82
  5. Step 5: Solve for x
    x = 141,972,791,131.82/312,055.10
  6. Step 6: Final answer
    x = 454,960.65

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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.