Home / 464,947.80-641,462.95-303,895.70

Finding the Fourth Proportional to 464,947.80, 641,462.95 and 303,895.70

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Solution

The fourth proportional to 464,947.80, 641,462.95 and 303,895.70 is: 419,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,947.80 : 641,462.95 = 303,895.70 : x
  2. Step 2: Convert to fraction form
    464,947.80/641,462.95 = 303,895.70/x
  3. Step 3: Cross multiply
    464,947.80x = 641,462.95 × 303,895.70
  4. Step 4: Simplify right side
    464,947.80x = 194,937,830,082.94
  5. Step 5: Solve for x
    x = 194,937,830,082.94/464,947.80
  6. Step 6: Final answer
    x = 419,268.21

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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.