Home / 1,758,392.70-2,635,515.45-916,511.10

Finding the Fourth Proportional to 1,758,392.70, 2,635,515.45 and 916,511.10

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Solution

The fourth proportional to 1,758,392.70, 2,635,515.45 and 916,511.10 is: 1,373,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,392.70 : 2,635,515.45 = 916,511.10 : x
  2. Step 2: Convert to fraction form
    1,758,392.70/2,635,515.45 = 916,511.10/x
  3. Step 3: Cross multiply
    1,758,392.70x = 2,635,515.45 × 916,511.10
  4. Step 4: Simplify right side
    1,758,392.70x = 2,415,479,164,146.50
  5. Step 5: Solve for x
    x = 2,415,479,164,146.50/1,758,392.70
  6. Step 6: Final answer
    x = 1,373,685.85

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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.