Home / 460,623.80-635,370.08-317,134.72

Finding the Fourth Proportional to 460,623.80, 635,370.08 and 317,134.72

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Solution

The fourth proportional to 460,623.80, 635,370.08 and 317,134.72 is: 437,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,623.80 : 635,370.08 = 317,134.72 : x
  2. Step 2: Convert to fraction form
    460,623.80/635,370.08 = 317,134.72/x
  3. Step 3: Cross multiply
    460,623.80x = 635,370.08 × 317,134.72
  4. Step 4: Simplify right side
    460,623.80x = 201,497,912,417.18
  5. Step 5: Solve for x
    x = 201,497,912,417.18/460,623.80
  6. Step 6: Final answer
    x = 437,445.73

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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.