Home / 772,947.34-1,159,500.54-267,507.43

Finding the Fourth Proportional to 772,947.34, 1,159,500.54 and 267,507.43

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Solution

The fourth proportional to 772,947.34, 1,159,500.54 and 267,507.43 is: 401,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,947.34 : 1,159,500.54 = 267,507.43 : x
  2. Step 2: Convert to fraction form
    772,947.34/1,159,500.54 = 267,507.43/x
  3. Step 3: Cross multiply
    772,947.34x = 1,159,500.54 × 267,507.43
  4. Step 4: Simplify right side
    772,947.34x = 310,175,009,539.01
  5. Step 5: Solve for x
    x = 310,175,009,539.01/772,947.34
  6. Step 6: Final answer
    x = 401,288.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.