Home / 762,130.60-1,051,738.50-422,590.12

Finding the Fourth Proportional to 762,130.60, 1,051,738.50 and 422,590.12

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Solution

The fourth proportional to 762,130.60, 1,051,738.50 and 422,590.12 is: 583,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,130.60 : 1,051,738.50 = 422,590.12 : x
  2. Step 2: Convert to fraction form
    762,130.60/1,051,738.50 = 422,590.12/x
  3. Step 3: Cross multiply
    762,130.60x = 1,051,738.50 × 422,590.12
  4. Step 4: Simplify right side
    762,130.60x = 444,454,298,923.62
  5. Step 5: Solve for x
    x = 444,454,298,923.62/762,130.60
  6. Step 6: Final answer
    x = 583,173.41

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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.