Home / 618,076.07-852,904.38-346,081.61

Finding the Fourth Proportional to 618,076.07, 852,904.38 and 346,081.61

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Solution

The fourth proportional to 618,076.07, 852,904.38 and 346,081.61 is: 477,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,076.07 : 852,904.38 = 346,081.61 : x
  2. Step 2: Convert to fraction form
    618,076.07/852,904.38 = 346,081.61/x
  3. Step 3: Cross multiply
    618,076.07x = 852,904.38 × 346,081.61
  4. Step 4: Simplify right side
    618,076.07x = 295,174,519,276.04
  5. Step 5: Solve for x
    x = 295,174,519,276.04/618,076.07
  6. Step 6: Final answer
    x = 477,569.89

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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.