Home / 665,041.44-915,824.22-577,786.20

Finding the Fourth Proportional to 665,041.44, 915,824.22 and 577,786.20

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Solution

The fourth proportional to 665,041.44, 915,824.22 and 577,786.20 is: 795,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,041.44 : 915,824.22 = 577,786.20 : x
  2. Step 2: Convert to fraction form
    665,041.44/915,824.22 = 577,786.20/x
  3. Step 3: Cross multiply
    665,041.44x = 915,824.22 × 577,786.20
  4. Step 4: Simplify right side
    665,041.44x = 529,150,595,941.76
  5. Step 5: Solve for x
    x = 529,150,595,941.76/665,041.44
  6. Step 6: Final answer
    x = 795,665.60

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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.