Home / 1,553,688.54-2,330,540.10-542,806.11

Finding the Fourth Proportional to 1,553,688.54, 2,330,540.10 and 542,806.11

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Solution

The fourth proportional to 1,553,688.54, 2,330,540.10 and 542,806.11 is: 814,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,688.54 : 2,330,540.10 = 542,806.11 : x
  2. Step 2: Convert to fraction form
    1,553,688.54/2,330,540.10 = 542,806.11/x
  3. Step 3: Cross multiply
    1,553,688.54x = 2,330,540.10 × 542,806.11
  4. Step 4: Simplify right side
    1,553,688.54x = 1,265,031,405,880.01
  5. Step 5: Solve for x
    x = 1,265,031,405,880.01/1,553,688.54
  6. Step 6: Final answer
    x = 814,211.71

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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.