Home / 921,749.40-1,384,697.70-886,498.20

Finding the Fourth Proportional to 921,749.40, 1,384,697.70 and 886,498.20

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Solution

The fourth proportional to 921,749.40, 1,384,697.70 and 886,498.20 is: 1,331,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,749.40 : 1,384,697.70 = 886,498.20 : x
  2. Step 2: Convert to fraction form
    921,749.40/1,384,697.70 = 886,498.20/x
  3. Step 3: Cross multiply
    921,749.40x = 1,384,697.70 × 886,498.20
  4. Step 4: Simplify right side
    921,749.40x = 1,227,532,018,594.14
  5. Step 5: Solve for x
    x = 1,227,532,018,594.14/921,749.40
  6. Step 6: Final answer
    x = 1,331,741.60

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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.