Home / 689,346.24-951,284.16-383,416.03

Finding the Fourth Proportional to 689,346.24, 951,284.16 and 383,416.03

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Solution

The fourth proportional to 689,346.24, 951,284.16 and 383,416.03 is: 529,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,346.24 : 951,284.16 = 383,416.03 : x
  2. Step 2: Convert to fraction form
    689,346.24/951,284.16 = 383,416.03/x
  3. Step 3: Cross multiply
    689,346.24x = 951,284.16 × 383,416.03
  4. Step 4: Simplify right side
    689,346.24x = 364,737,596,029.09
  5. Step 5: Solve for x
    x = 364,737,596,029.09/689,346.24
  6. Step 6: Final answer
    x = 529,106.53

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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.