Home / 424,870.36-586,328.55-231,283.62

Finding the Fourth Proportional to 424,870.36, 586,328.55 and 231,283.62

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Solution

The fourth proportional to 424,870.36, 586,328.55 and 231,283.62 is: 319,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,870.36 : 586,328.55 = 231,283.62 : x
  2. Step 2: Convert to fraction form
    424,870.36/586,328.55 = 231,283.62/x
  3. Step 3: Cross multiply
    424,870.36x = 586,328.55 × 231,283.62
  4. Step 4: Simplify right side
    424,870.36x = 135,608,189,553.35
  5. Step 5: Solve for x
    x = 135,608,189,553.35/424,870.36
  6. Step 6: Final answer
    x = 319,175.45

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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.