Home / 688,284.06-949,833.03-382,352.13

Finding the Fourth Proportional to 688,284.06, 949,833.03 and 382,352.13

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Solution

The fourth proportional to 688,284.06, 949,833.03 and 382,352.13 is: 527,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,284.06 : 949,833.03 = 382,352.13 : x
  2. Step 2: Convert to fraction form
    688,284.06/949,833.03 = 382,352.13/x
  3. Step 3: Cross multiply
    688,284.06x = 949,833.03 × 382,352.13
  4. Step 4: Simplify right side
    688,284.06x = 363,170,682,164.85
  5. Step 5: Solve for x
    x = 363,170,682,164.85/688,284.06
  6. Step 6: Final answer
    x = 527,646.51

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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.