Home / 618,341.28-927,644.72-191,868.32

Finding the Fourth Proportional to 618,341.28, 927,644.72 and 191,868.32

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Solution

The fourth proportional to 618,341.28, 927,644.72 and 191,868.32 is: 287,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,341.28 : 927,644.72 = 191,868.32 : x
  2. Step 2: Convert to fraction form
    618,341.28/927,644.72 = 191,868.32/x
  3. Step 3: Cross multiply
    618,341.28x = 927,644.72 × 191,868.32
  4. Step 4: Simplify right side
    618,341.28x = 177,985,633,983.27
  5. Step 5: Solve for x
    x = 177,985,633,983.27/618,341.28
  6. Step 6: Final answer
    x = 287,843.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.