Home / 819,950.40-1,131,533.27-457,364.90

Finding the Fourth Proportional to 819,950.40, 1,131,533.27 and 457,364.90

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Solution

The fourth proportional to 819,950.40, 1,131,533.27 and 457,364.90 is: 631,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,950.40 : 1,131,533.27 = 457,364.90 : x
  2. Step 2: Convert to fraction form
    819,950.40/1,131,533.27 = 457,364.90/x
  3. Step 3: Cross multiply
    819,950.40x = 1,131,533.27 × 457,364.90
  4. Step 4: Simplify right side
    819,950.40x = 517,523,592,935.73
  5. Step 5: Solve for x
    x = 517,523,592,935.73/819,950.40
  6. Step 6: Final answer
    x = 631,164.51

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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.