Home / 1,143,509.52-1,714,986.84-385,155.12

Finding the Fourth Proportional to 1,143,509.52, 1,714,986.84 and 385,155.12

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Solution

The fourth proportional to 1,143,509.52, 1,714,986.84 and 385,155.12 is: 577,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,509.52 : 1,714,986.84 = 385,155.12 : x
  2. Step 2: Convert to fraction form
    1,143,509.52/1,714,986.84 = 385,155.12/x
  3. Step 3: Cross multiply
    1,143,509.52x = 1,714,986.84 × 385,155.12
  4. Step 4: Simplify right side
    1,143,509.52x = 660,535,962,158.62
  5. Step 5: Solve for x
    x = 660,535,962,158.62/1,143,509.52
  6. Step 6: Final answer
    x = 577,639.23

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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.