Home / 819,963.08-1,131,550.88-457,410.42

Finding the Fourth Proportional to 819,963.08, 1,131,550.88 and 457,410.42

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Solution

The fourth proportional to 819,963.08, 1,131,550.88 and 457,410.42 is: 631,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,963.08 : 1,131,550.88 = 457,410.42 : x
  2. Step 2: Convert to fraction form
    819,963.08/1,131,550.88 = 457,410.42/x
  3. Step 3: Cross multiply
    819,963.08x = 1,131,550.88 × 457,410.42
  4. Step 4: Simplify right side
    819,963.08x = 517,583,163,814.00
  5. Step 5: Solve for x
    x = 517,583,163,814.00/819,963.08
  6. Step 6: Final answer
    x = 631,227.40

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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.