Home / 828,926.36-1,143,816.90-522,887.84

Finding the Fourth Proportional to 828,926.36, 1,143,816.90 and 522,887.84

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Solution

The fourth proportional to 828,926.36, 1,143,816.90 and 522,887.84 is: 721,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,926.36 : 1,143,816.90 = 522,887.84 : x
  2. Step 2: Convert to fraction form
    828,926.36/1,143,816.90 = 522,887.84/x
  3. Step 3: Cross multiply
    828,926.36x = 1,143,816.90 × 522,887.84
  4. Step 4: Simplify right side
    828,926.36x = 598,087,948,196.50
  5. Step 5: Solve for x
    x = 598,087,948,196.50/828,926.36
  6. Step 6: Final answer
    x = 721,521.21

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1.5x scale

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.