Home / 779,774.13-1,166,999.88-653,556.89

Finding the Fourth Proportional to 779,774.13, 1,166,999.88 and 653,556.89

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Solution

The fourth proportional to 779,774.13, 1,166,999.88 and 653,556.89 is: 978,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,774.13 : 1,166,999.88 = 653,556.89 : x
  2. Step 2: Convert to fraction form
    779,774.13/1,166,999.88 = 653,556.89/x
  3. Step 3: Cross multiply
    779,774.13x = 1,166,999.88 × 653,556.89
  4. Step 4: Simplify right side
    779,774.13x = 762,700,812,203.17
  5. Step 5: Solve for x
    x = 762,700,812,203.17/779,774.13
  6. Step 6: Final answer
    x = 978,104.79

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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.