Home / 910,887.46-1,364,835.69-311,521.61

Finding the Fourth Proportional to 910,887.46, 1,364,835.69 and 311,521.61

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Solution

The fourth proportional to 910,887.46, 1,364,835.69 and 311,521.61 is: 466,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,887.46 : 1,364,835.69 = 311,521.61 : x
  2. Step 2: Convert to fraction form
    910,887.46/1,364,835.69 = 311,521.61/x
  3. Step 3: Cross multiply
    910,887.46x = 1,364,835.69 × 311,521.61
  4. Step 4: Simplify right side
    910,887.46x = 425,175,814,946.35
  5. Step 5: Solve for x
    x = 425,175,814,946.35/910,887.46
  6. Step 6: Final answer
    x = 466,770.96

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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.