Home / 930,065.60-1,396,135.20-510,161.60

Finding the Fourth Proportional to 930,065.60, 1,396,135.20 and 510,161.60

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Solution

The fourth proportional to 930,065.60, 1,396,135.20 and 510,161.60 is: 765,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,065.60 : 1,396,135.20 = 510,161.60 : x
  2. Step 2: Convert to fraction form
    930,065.60/1,396,135.20 = 510,161.60/x
  3. Step 3: Cross multiply
    930,065.60x = 1,396,135.20 × 510,161.60
  4. Step 4: Simplify right side
    930,065.60x = 712,254,567,448.32
  5. Step 5: Solve for x
    x = 712,254,567,448.32/930,065.60
  6. Step 6: Final answer
    x = 765,811.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.