Home / 726,133.74-1,089,015.63-514,885.95

Finding the Fourth Proportional to 726,133.74, 1,089,015.63 and 514,885.95

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Solution

The fourth proportional to 726,133.74, 1,089,015.63 and 514,885.95 is: 772,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,133.74 : 1,089,015.63 = 514,885.95 : x
  2. Step 2: Convert to fraction form
    726,133.74/1,089,015.63 = 514,885.95/x
  3. Step 3: Cross multiply
    726,133.74x = 1,089,015.63 × 514,885.95
  4. Step 4: Simplify right side
    726,133.74x = 560,718,847,217.40
  5. Step 5: Solve for x
    x = 560,718,847,217.40/726,133.74
  6. Step 6: Final answer
    x = 772,197.76

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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.