Home / 620,919.07-930,599.48-265,515.17

Finding the Fourth Proportional to 620,919.07, 930,599.48 and 265,515.17

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Solution

The fourth proportional to 620,919.07, 930,599.48 and 265,515.17 is: 397,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,919.07 : 930,599.48 = 265,515.17 : x
  2. Step 2: Convert to fraction form
    620,919.07/930,599.48 = 265,515.17/x
  3. Step 3: Cross multiply
    620,919.07x = 930,599.48 × 265,515.17
  4. Step 4: Simplify right side
    620,919.07x = 247,088,275,144.90
  5. Step 5: Solve for x
    x = 247,088,275,144.90/620,919.07
  6. Step 6: Final answer
    x = 397,939.58

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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.