Home / 914,601.70-1,371,902.55-863,280.10

Finding the Fourth Proportional to 914,601.70, 1,371,902.55 and 863,280.10

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Solution

The fourth proportional to 914,601.70, 1,371,902.55 and 863,280.10 is: 1,294,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,601.70 : 1,371,902.55 = 863,280.10 : x
  2. Step 2: Convert to fraction form
    914,601.70/1,371,902.55 = 863,280.10/x
  3. Step 3: Cross multiply
    914,601.70x = 1,371,902.55 × 863,280.10
  4. Step 4: Simplify right side
    914,601.70x = 1,184,336,170,554.26
  5. Step 5: Solve for x
    x = 1,184,336,170,554.26/914,601.70
  6. Step 6: Final answer
    x = 1,294,920.15

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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.