Home / 729,315.60-1,094,366.28-355,338.60

Finding the Fourth Proportional to 729,315.60, 1,094,366.28 and 355,338.60

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Solution

The fourth proportional to 729,315.60, 1,094,366.28 and 355,338.60 is: 533,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,315.60 : 1,094,366.28 = 355,338.60 : x
  2. Step 2: Convert to fraction form
    729,315.60/1,094,366.28 = 355,338.60/x
  3. Step 3: Cross multiply
    729,315.60x = 1,094,366.28 × 355,338.60
  4. Step 4: Simplify right side
    729,315.60x = 388,870,581,822.41
  5. Step 5: Solve for x
    x = 388,870,581,822.41/729,315.60
  6. Step 6: Final answer
    x = 533,199.32

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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.