Home / 480,579.48-720,869.22-181,127.27

Finding the Fourth Proportional to 480,579.48, 720,869.22 and 181,127.27

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Solution

The fourth proportional to 480,579.48, 720,869.22 and 181,127.27 is: 271,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,579.48 : 720,869.22 = 181,127.27 : x
  2. Step 2: Convert to fraction form
    480,579.48/720,869.22 = 181,127.27/x
  3. Step 3: Cross multiply
    480,579.48x = 720,869.22 × 181,127.27
  4. Step 4: Simplify right side
    480,579.48x = 130,569,075,647.80
  5. Step 5: Solve for x
    x = 130,569,075,647.80/480,579.48
  6. Step 6: Final answer
    x = 271,690.91

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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.