Home / 1,064,314.20-1,596,989.70-811,507.80

Finding the Fourth Proportional to 1,064,314.20, 1,596,989.70 and 811,507.80

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Solution

The fourth proportional to 1,064,314.20, 1,596,989.70 and 811,507.80 is: 1,217,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,314.20 : 1,596,989.70 = 811,507.80 : x
  2. Step 2: Convert to fraction form
    1,064,314.20/1,596,989.70 = 811,507.80/x
  3. Step 3: Cross multiply
    1,064,314.20x = 1,596,989.70 × 811,507.80
  4. Step 4: Simplify right side
    1,064,314.20x = 1,295,969,598,069.66
  5. Step 5: Solve for x
    x = 1,295,969,598,069.66/1,064,314.20
  6. Step 6: Final answer
    x = 1,217,656.96

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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.