Home / 1,777,705.60-2,666,947.20-579,683.20

Finding the Fourth Proportional to 1,777,705.60, 2,666,947.20 and 579,683.20

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Solution

The fourth proportional to 1,777,705.60, 2,666,947.20 and 579,683.20 is: 869,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,705.60 : 2,666,947.20 = 579,683.20 : x
  2. Step 2: Convert to fraction form
    1,777,705.60/2,666,947.20 = 579,683.20/x
  3. Step 3: Cross multiply
    1,777,705.60x = 2,666,947.20 × 579,683.20
  4. Step 4: Simplify right side
    1,777,705.60x = 1,545,984,487,127.04
  5. Step 5: Solve for x
    x = 1,545,984,487,127.04/1,777,705.60
  6. Step 6: Final answer
    x = 869,651.58

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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.