Home / 762,608.52-1,052,396.55-423,076.77

Finding the Fourth Proportional to 762,608.52, 1,052,396.55 and 423,076.77

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Solution

The fourth proportional to 762,608.52, 1,052,396.55 and 423,076.77 is: 583,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,608.52 : 1,052,396.55 = 423,076.77 : x
  2. Step 2: Convert to fraction form
    762,608.52/1,052,396.55 = 423,076.77/x
  3. Step 3: Cross multiply
    762,608.52x = 1,052,396.55 × 423,076.77
  4. Step 4: Simplify right side
    762,608.52x = 445,244,533,133.14
  5. Step 5: Solve for x
    x = 445,244,533,133.14/762,608.52
  6. Step 6: Final answer
    x = 583,844.16

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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.