Home / 935,284.11-1,290,691.50-505,564.23

Finding the Fourth Proportional to 935,284.11, 1,290,691.50 and 505,564.23

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Solution

The fourth proportional to 935,284.11, 1,290,691.50 and 505,564.23 is: 697,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,284.11 : 1,290,691.50 = 505,564.23 : x
  2. Step 2: Convert to fraction form
    935,284.11/1,290,691.50 = 505,564.23/x
  3. Step 3: Cross multiply
    935,284.11x = 1,290,691.50 × 505,564.23
  4. Step 4: Simplify right side
    935,284.11x = 652,527,454,365.05
  5. Step 5: Solve for x
    x = 652,527,454,365.05/935,284.11
  6. Step 6: Final answer
    x = 697,678.33

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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.