Home / 418,149.45-577,095.71-248,384.25

Finding the Fourth Proportional to 418,149.45, 577,095.71 and 248,384.25

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Solution

The fourth proportional to 418,149.45, 577,095.71 and 248,384.25 is: 342,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,149.45 : 577,095.71 = 248,384.25 : x
  2. Step 2: Convert to fraction form
    418,149.45/577,095.71 = 248,384.25/x
  3. Step 3: Cross multiply
    418,149.45x = 577,095.71 × 248,384.25
  4. Step 4: Simplify right side
    418,149.45x = 143,341,483,864.65
  5. Step 5: Solve for x
    x = 143,341,483,864.65/418,149.45
  6. Step 6: Final answer
    x = 342,799.65

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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.