Home / 611,826.32-917,739.48-191,135.36

Finding the Fourth Proportional to 611,826.32, 917,739.48 and 191,135.36

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Solution

The fourth proportional to 611,826.32, 917,739.48 and 191,135.36 is: 286,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,826.32 : 917,739.48 = 191,135.36 : x
  2. Step 2: Convert to fraction form
    611,826.32/917,739.48 = 191,135.36/x
  3. Step 3: Cross multiply
    611,826.32x = 917,739.48 × 191,135.36
  4. Step 4: Simplify right side
    611,826.32x = 175,412,465,896.01
  5. Step 5: Solve for x
    x = 175,412,465,896.01/611,826.32
  6. Step 6: Final answer
    x = 286,703.04

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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.