Home / 418,815.42-577,834.86-237,513.12

Finding the Fourth Proportional to 418,815.42, 577,834.86 and 237,513.12

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Solution

The fourth proportional to 418,815.42, 577,834.86 and 237,513.12 is: 327,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,815.42 : 577,834.86 = 237,513.12 : x
  2. Step 2: Convert to fraction form
    418,815.42/577,834.86 = 237,513.12/x
  3. Step 3: Cross multiply
    418,815.42x = 577,834.86 × 237,513.12
  4. Step 4: Simplify right side
    418,815.42x = 137,243,360,443.36
  5. Step 5: Solve for x
    x = 137,243,360,443.36/418,815.42
  6. Step 6: Final answer
    x = 327,694.14

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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.