Home / 653,210.82-979,564.32-253,799.01

Finding the Fourth Proportional to 653,210.82, 979,564.32 and 253,799.01

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Solution

The fourth proportional to 653,210.82, 979,564.32 and 253,799.01 is: 380,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,210.82 : 979,564.32 = 253,799.01 : x
  2. Step 2: Convert to fraction form
    653,210.82/979,564.32 = 253,799.01/x
  3. Step 3: Cross multiply
    653,210.82x = 979,564.32 × 253,799.01
  4. Step 4: Simplify right side
    653,210.82x = 248,612,454,647.32
  5. Step 5: Solve for x
    x = 248,612,454,647.32/653,210.82
  6. Step 6: Final answer
    x = 380,600.64

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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.