Home / 1,945,120.23-2,917,421.93-578,869.44

Finding the Fourth Proportional to 1,945,120.23, 2,917,421.93 and 578,869.44

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Solution

The fourth proportional to 1,945,120.23, 2,917,421.93 and 578,869.44 is: 868,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,120.23 : 2,917,421.93 = 578,869.44 : x
  2. Step 2: Convert to fraction form
    1,945,120.23/2,917,421.93 = 578,869.44/x
  3. Step 3: Cross multiply
    1,945,120.23x = 2,917,421.93 × 578,869.44
  4. Step 4: Simplify right side
    1,945,120.23x = 1,688,806,395,968.47
  5. Step 5: Solve for x
    x = 1,688,806,395,968.47/1,945,120.23
  6. Step 6: Final answer
    x = 868,227.25

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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.