Home / 1,777,378.60-2,666,489.10-579,307.60

Finding the Fourth Proportional to 1,777,378.60, 2,666,489.10 and 579,307.60

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Solution

The fourth proportional to 1,777,378.60, 2,666,489.10 and 579,307.60 is: 869,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,378.60 : 2,666,489.10 = 579,307.60 : x
  2. Step 2: Convert to fraction form
    1,777,378.60/2,666,489.10 = 579,307.60/x
  3. Step 3: Cross multiply
    1,777,378.60x = 2,666,489.10 × 579,307.60
  4. Step 4: Simplify right side
    1,777,378.60x = 1,544,717,400,947.16
  5. Step 5: Solve for x
    x = 1,544,717,400,947.16/1,777,378.60
  6. Step 6: Final answer
    x = 869,098.68

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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.