Home / 554,586.48-831,815.46-155,259.18

Finding the Fourth Proportional to 554,586.48, 831,815.46 and 155,259.18

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Solution

The fourth proportional to 554,586.48, 831,815.46 and 155,259.18 is: 232,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,586.48 : 831,815.46 = 155,259.18 : x
  2. Step 2: Convert to fraction form
    554,586.48/831,815.46 = 155,259.18/x
  3. Step 3: Cross multiply
    554,586.48x = 831,815.46 × 155,259.18
  4. Step 4: Simplify right side
    554,586.48x = 129,146,986,230.92
  5. Step 5: Solve for x
    x = 129,146,986,230.92/554,586.48
  6. Step 6: Final answer
    x = 232,870.78

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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.