Home / 863,544.40-1,294,150.20-578,424.40

Finding the Fourth Proportional to 863,544.40, 1,294,150.20 and 578,424.40

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Solution

The fourth proportional to 863,544.40, 1,294,150.20 and 578,424.40 is: 866,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,544.40 : 1,294,150.20 = 578,424.40 : x
  2. Step 2: Convert to fraction form
    863,544.40/1,294,150.20 = 578,424.40/x
  3. Step 3: Cross multiply
    863,544.40x = 1,294,150.20 × 578,424.40
  4. Step 4: Simplify right side
    863,544.40x = 748,568,052,944.88
  5. Step 5: Solve for x
    x = 748,568,052,944.88/863,544.40
  6. Step 6: Final answer
    x = 866,855.32

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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.