Home / 579,507.60-799,947.02-443,533.44

Finding the Fourth Proportional to 579,507.60, 799,947.02 and 443,533.44

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Solution

The fourth proportional to 579,507.60, 799,947.02 and 443,533.44 is: 612,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,507.60 : 799,947.02 = 443,533.44 : x
  2. Step 2: Convert to fraction form
    579,507.60/799,947.02 = 443,533.44/x
  3. Step 3: Cross multiply
    579,507.60x = 799,947.02 × 443,533.44
  4. Step 4: Simplify right side
    579,507.60x = 354,803,253,598.35
  5. Step 5: Solve for x
    x = 354,803,253,598.35/579,507.60
  6. Step 6: Final answer
    x = 612,249.53

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Double scale
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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.