Home / 424,986.34-586,495.55-231,401.56

Finding the Fourth Proportional to 424,986.34, 586,495.55 and 231,401.56

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Solution

The fourth proportional to 424,986.34, 586,495.55 and 231,401.56 is: 319,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,986.34 : 586,495.55 = 231,401.56 : x
  2. Step 2: Convert to fraction form
    424,986.34/586,495.55 = 231,401.56/x
  3. Step 3: Cross multiply
    424,986.34x = 586,495.55 × 231,401.56
  4. Step 4: Simplify right side
    424,986.34x = 135,715,983,312.93
  5. Step 5: Solve for x
    x = 135,715,983,312.93/424,986.34
  6. Step 6: Final answer
    x = 319,341.99

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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.