Home / 795,742.56-1,098,356.64-520,140.48

Finding the Fourth Proportional to 795,742.56, 1,098,356.64 and 520,140.48

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Solution

The fourth proportional to 795,742.56, 1,098,356.64 and 520,140.48 is: 717,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,742.56 : 1,098,356.64 = 520,140.48 : x
  2. Step 2: Convert to fraction form
    795,742.56/1,098,356.64 = 520,140.48/x
  3. Step 3: Cross multiply
    795,742.56x = 1,098,356.64 × 520,140.48
  4. Step 4: Simplify right side
    795,742.56x = 571,299,749,940.79
  5. Step 5: Solve for x
    x = 571,299,749,940.79/795,742.56
  6. Step 6: Final answer
    x = 717,945.45

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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.