Home / 1,107,776.15-1,660,998.76-433,053.84

Finding the Fourth Proportional to 1,107,776.15, 1,660,998.76 and 433,053.84

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Solution

The fourth proportional to 1,107,776.15, 1,660,998.76 and 433,053.84 is: 649,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,776.15 : 1,660,998.76 = 433,053.84 : x
  2. Step 2: Convert to fraction form
    1,107,776.15/1,660,998.76 = 433,053.84/x
  3. Step 3: Cross multiply
    1,107,776.15x = 1,660,998.76 × 433,053.84
  4. Step 4: Simplify right side
    1,107,776.15x = 719,301,896,399.35
  5. Step 5: Solve for x
    x = 719,301,896,399.35/1,107,776.15
  6. Step 6: Final answer
    x = 649,320.62

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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.