Home / 772,251.24-1,065,074.78-543,565.56

Finding the Fourth Proportional to 772,251.24, 1,065,074.78 and 543,565.56

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Solution

The fourth proportional to 772,251.24, 1,065,074.78 and 543,565.56 is: 749,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,251.24 : 1,065,074.78 = 543,565.56 : x
  2. Step 2: Convert to fraction form
    772,251.24/1,065,074.78 = 543,565.56/x
  3. Step 3: Cross multiply
    772,251.24x = 1,065,074.78 × 543,565.56
  4. Step 4: Simplify right side
    772,251.24x = 578,937,969,232.58
  5. Step 5: Solve for x
    x = 578,937,969,232.58/772,251.24
  6. Step 6: Final answer
    x = 749,675.67

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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.