Home / 916,679.48-1,375,056.50-436,660.52

Finding the Fourth Proportional to 916,679.48, 1,375,056.50 and 436,660.52

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Solution

The fourth proportional to 916,679.48, 1,375,056.50 and 436,660.52 is: 655,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,679.48 : 1,375,056.50 = 436,660.52 : x
  2. Step 2: Convert to fraction form
    916,679.48/1,375,056.50 = 436,660.52/x
  3. Step 3: Cross multiply
    916,679.48x = 1,375,056.50 × 436,660.52
  4. Step 4: Simplify right side
    916,679.48x = 600,432,886,319.38
  5. Step 5: Solve for x
    x = 600,432,886,319.38/916,679.48
  6. Step 6: Final answer
    x = 655,008.54

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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.