Home / 423,500.71-584,441.25-229,916.38

Finding the Fourth Proportional to 423,500.71, 584,441.25 and 229,916.38

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Solution

The fourth proportional to 423,500.71, 584,441.25 and 229,916.38 is: 317,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,500.71 : 584,441.25 = 229,916.38 : x
  2. Step 2: Convert to fraction form
    423,500.71/584,441.25 = 229,916.38/x
  3. Step 3: Cross multiply
    423,500.71x = 584,441.25 × 229,916.38
  4. Step 4: Simplify right side
    423,500.71x = 134,372,616,522.68
  5. Step 5: Solve for x
    x = 134,372,616,522.68/423,500.71
  6. Step 6: Final answer
    x = 317,290.18

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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.