Home / 1,077,821.68-1,617,796.14-572,381.20

Finding the Fourth Proportional to 1,077,821.68, 1,617,796.14 and 572,381.20

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Solution

The fourth proportional to 1,077,821.68, 1,617,796.14 and 572,381.20 is: 859,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,821.68 : 1,617,796.14 = 572,381.20 : x
  2. Step 2: Convert to fraction form
    1,077,821.68/1,617,796.14 = 572,381.20/x
  3. Step 3: Cross multiply
    1,077,821.68x = 1,617,796.14 × 572,381.20
  4. Step 4: Simplify right side
    1,077,821.68x = 925,996,095,968.57
  5. Step 5: Solve for x
    x = 925,996,095,968.57/1,077,821.68
  6. Step 6: Final answer
    x = 859,136.64

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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.