Home / 827,749.60-1,142,606.60-483,697.36

Finding the Fourth Proportional to 827,749.60, 1,142,606.60 and 483,697.36

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Solution

The fourth proportional to 827,749.60, 1,142,606.60 and 483,697.36 is: 667,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,749.60 : 1,142,606.60 = 483,697.36 : x
  2. Step 2: Convert to fraction form
    827,749.60/1,142,606.60 = 483,697.36/x
  3. Step 3: Cross multiply
    827,749.60x = 1,142,606.60 × 483,697.36
  4. Step 4: Simplify right side
    827,749.60x = 552,675,799,483.01
  5. Step 5: Solve for x
    x = 552,675,799,483.01/827,749.60
  6. Step 6: Final answer
    x = 667,684.77

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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.