Home / 827,526.60-1,242,456.30-512,598.60

Finding the Fourth Proportional to 827,526.60, 1,242,456.30 and 512,598.60

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Solution

The fourth proportional to 827,526.60, 1,242,456.30 and 512,598.60 is: 769,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,526.60 : 1,242,456.30 = 512,598.60 : x
  2. Step 2: Convert to fraction form
    827,526.60/1,242,456.30 = 512,598.60/x
  3. Step 3: Cross multiply
    827,526.60x = 1,242,456.30 × 512,598.60
  4. Step 4: Simplify right side
    827,526.60x = 636,881,359,941.18
  5. Step 5: Solve for x
    x = 636,881,359,941.18/827,526.60
  6. Step 6: Final answer
    x = 769,620.41

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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.