Home / 805,475.41-1,111,725.20-510,934.61

Finding the Fourth Proportional to 805,475.41, 1,111,725.20 and 510,934.61

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Solution

The fourth proportional to 805,475.41, 1,111,725.20 and 510,934.61 is: 705,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,475.41 : 1,111,725.20 = 510,934.61 : x
  2. Step 2: Convert to fraction form
    805,475.41/1,111,725.20 = 510,934.61/x
  3. Step 3: Cross multiply
    805,475.41x = 1,111,725.20 × 510,934.61
  4. Step 4: Simplify right side
    805,475.41x = 568,018,881,489.17
  5. Step 5: Solve for x
    x = 568,018,881,489.17/805,475.41
  6. Step 6: Final answer
    x = 705,197.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.