Home / 386,851.02-533,864.97-217,095.54

Finding the Fourth Proportional to 386,851.02, 533,864.97 and 217,095.54

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Solution

The fourth proportional to 386,851.02, 533,864.97 and 217,095.54 is: 299,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,851.02 : 533,864.97 = 217,095.54 : x
  2. Step 2: Convert to fraction form
    386,851.02/533,864.97 = 217,095.54/x
  3. Step 3: Cross multiply
    386,851.02x = 533,864.97 × 217,095.54
  4. Step 4: Simplify right side
    386,851.02x = 115,899,703,949.23
  5. Step 5: Solve for x
    x = 115,899,703,949.23/386,851.02
  6. Step 6: Final answer
    x = 299,597.77

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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.