Home / 933,785.69-1,288,590.23-520,301.10

Finding the Fourth Proportional to 933,785.69, 1,288,590.23 and 520,301.10

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Solution

The fourth proportional to 933,785.69, 1,288,590.23 and 520,301.10 is: 717,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,785.69 : 1,288,590.23 = 520,301.10 : x
  2. Step 2: Convert to fraction form
    933,785.69/1,288,590.23 = 520,301.10/x
  3. Step 3: Cross multiply
    933,785.69x = 1,288,590.23 × 520,301.10
  4. Step 4: Simplify right side
    933,785.69x = 670,454,914,118.25
  5. Step 5: Solve for x
    x = 670,454,914,118.25/933,785.69
  6. Step 6: Final answer
    x = 717,996.56

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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.