Home / 921,193.02-1,381,789.56-359,833.86

Finding the Fourth Proportional to 921,193.02, 1,381,789.56 and 359,833.86

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Solution

The fourth proportional to 921,193.02, 1,381,789.56 and 359,833.86 is: 539,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,193.02 : 1,381,789.56 = 359,833.86 : x
  2. Step 2: Convert to fraction form
    921,193.02/1,381,789.56 = 359,833.86/x
  3. Step 3: Cross multiply
    921,193.02x = 1,381,789.56 × 359,833.86
  4. Step 4: Simplify right side
    921,193.02x = 497,214,671,082.50
  5. Step 5: Solve for x
    x = 497,214,671,082.50/921,193.02
  6. Step 6: Final answer
    x = 539,750.80

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1.5x scale

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.