Home / 1,129,294.45-1,558,406.91-619,993.18

Finding the Fourth Proportional to 1,129,294.45, 1,558,406.91 and 619,993.18

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Solution

The fourth proportional to 1,129,294.45, 1,558,406.91 and 619,993.18 is: 855,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,294.45 : 1,558,406.91 = 619,993.18 : x
  2. Step 2: Convert to fraction form
    1,129,294.45/1,558,406.91 = 619,993.18/x
  3. Step 3: Cross multiply
    1,129,294.45x = 1,558,406.91 × 619,993.18
  4. Step 4: Simplify right side
    1,129,294.45x = 966,201,655,864.87
  5. Step 5: Solve for x
    x = 966,201,655,864.87/1,129,294.45
  6. Step 6: Final answer
    x = 855,579.92

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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.