Home / 1,761,817-2,642,725.50-432,121

Finding the Fourth Proportional to 1,761,817, 2,642,725.50 and 432,121

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Solution

The fourth proportional to 1,761,817, 2,642,725.50 and 432,121 is: 648,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,817 : 2,642,725.50 = 432,121 : x
  2. Step 2: Convert to fraction form
    1,761,817/2,642,725.50 = 432,121/x
  3. Step 3: Cross multiply
    1,761,817x = 2,642,725.50 × 432,121
  4. Step 4: Simplify right side
    1,761,817x = 1,141,977,185,785.50
  5. Step 5: Solve for x
    x = 1,141,977,185,785.50/1,761,817
  6. Step 6: Final answer
    x = 648,181.50

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Similar ratio
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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.