Home / 1,063,749.06-1,595,156.67-398,434.50

Finding the Fourth Proportional to 1,063,749.06, 1,595,156.67 and 398,434.50

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Solution

The fourth proportional to 1,063,749.06, 1,595,156.67 and 398,434.50 is: 597,476.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,749.06 : 1,595,156.67 = 398,434.50 : x
  2. Step 2: Convert to fraction form
    1,063,749.06/1,595,156.67 = 398,434.50/x
  3. Step 3: Cross multiply
    1,063,749.06x = 1,595,156.67 × 398,434.50
  4. Step 4: Simplify right side
    1,063,749.06x = 635,565,450,233.12
  5. Step 5: Solve for x
    x = 635,565,450,233.12/1,063,749.06
  6. Step 6: Final answer
    x = 597,476.86

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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.