Home / 1,128,769.76-1,557,667.04-619,459.04

Finding the Fourth Proportional to 1,128,769.76, 1,557,667.04 and 619,459.04

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Solution

The fourth proportional to 1,128,769.76, 1,557,667.04 and 619,459.04 is: 854,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,769.76 : 1,557,667.04 = 619,459.04 : x
  2. Step 2: Convert to fraction form
    1,128,769.76/1,557,667.04 = 619,459.04/x
  3. Step 3: Cross multiply
    1,128,769.76x = 1,557,667.04 × 619,459.04
  4. Step 4: Simplify right side
    1,128,769.76x = 964,910,929,238.04
  5. Step 5: Solve for x
    x = 964,910,929,238.04/1,128,769.76
  6. Step 6: Final answer
    x = 854,834.14

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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.