Home / 907,425-1,252,246.50-505,112.04

Finding the Fourth Proportional to 907,425, 1,252,246.50 and 505,112.04

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Solution

The fourth proportional to 907,425, 1,252,246.50 and 505,112.04 is: 697,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,425 : 1,252,246.50 = 505,112.04 : x
  2. Step 2: Convert to fraction form
    907,425/1,252,246.50 = 505,112.04/x
  3. Step 3: Cross multiply
    907,425x = 1,252,246.50 × 505,112.04
  4. Step 4: Simplify right side
    907,425x = 632,524,784,197.86
  5. Step 5: Solve for x
    x = 632,524,784,197.86/907,425
  6. Step 6: Final answer
    x = 697,054.62

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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.