Home / 806,356.37-1,112,749.40-457,560.32

Finding the Fourth Proportional to 806,356.37, 1,112,749.40 and 457,560.32

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Solution

The fourth proportional to 806,356.37, 1,112,749.40 and 457,560.32 is: 631,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,356.37 : 1,112,749.40 = 457,560.32 : x
  2. Step 2: Convert to fraction form
    806,356.37/1,112,749.40 = 457,560.32/x
  3. Step 3: Cross multiply
    806,356.37x = 1,112,749.40 × 457,560.32
  4. Step 4: Simplify right side
    806,356.37x = 509,149,967,123.96
  5. Step 5: Solve for x
    x = 509,149,967,123.96/806,356.37
  6. Step 6: Final answer
    x = 631,420.53

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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.