Home / 785,248.61-1,177,859.95-194,272.61

Finding the Fourth Proportional to 785,248.61, 1,177,859.95 and 194,272.61

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Solution

The fourth proportional to 785,248.61, 1,177,859.95 and 194,272.61 is: 291,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,248.61 : 1,177,859.95 = 194,272.61 : x
  2. Step 2: Convert to fraction form
    785,248.61/1,177,859.95 = 194,272.61/x
  3. Step 3: Cross multiply
    785,248.61x = 1,177,859.95 × 194,272.61
  4. Step 4: Simplify right side
    785,248.61x = 228,825,920,325.99
  5. Step 5: Solve for x
    x = 228,825,920,325.99/785,248.61
  6. Step 6: Final answer
    x = 291,405.70

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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.