Home / 526,890.24-727,215.84-357,179.04

Finding the Fourth Proportional to 526,890.24, 727,215.84 and 357,179.04

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Solution

The fourth proportional to 526,890.24, 727,215.84 and 357,179.04 is: 492,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,890.24 : 727,215.84 = 357,179.04 : x
  2. Step 2: Convert to fraction form
    526,890.24/727,215.84 = 357,179.04/x
  3. Step 3: Cross multiply
    526,890.24x = 727,215.84 × 357,179.04
  4. Step 4: Simplify right side
    526,890.24x = 259,746,255,603.99
  5. Step 5: Solve for x
    x = 259,746,255,603.99/526,890.24
  6. Step 6: Final answer
    x = 492,979.82

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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.