Home / 1,113,500.21-1,669,432.49-354,904.97

Finding the Fourth Proportional to 1,113,500.21, 1,669,432.49 and 354,904.97

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Solution

The fourth proportional to 1,113,500.21, 1,669,432.49 and 354,904.97 is: 532,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,500.21 : 1,669,432.49 = 354,904.97 : x
  2. Step 2: Convert to fraction form
    1,113,500.21/1,669,432.49 = 354,904.97/x
  3. Step 3: Cross multiply
    1,113,500.21x = 1,669,432.49 × 354,904.97
  4. Step 4: Simplify right side
    1,113,500.21x = 592,489,886,005.95
  5. Step 5: Solve for x
    x = 592,489,886,005.95/1,113,500.21
  6. Step 6: Final answer
    x = 532,096.79

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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.