Home / 740,349.62-1,021,162.84-510,998.93

Finding the Fourth Proportional to 740,349.62, 1,021,162.84 and 510,998.93

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Solution

The fourth proportional to 740,349.62, 1,021,162.84 and 510,998.93 is: 704,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,349.62 : 1,021,162.84 = 510,998.93 : x
  2. Step 2: Convert to fraction form
    740,349.62/1,021,162.84 = 510,998.93/x
  3. Step 3: Cross multiply
    740,349.62x = 1,021,162.84 × 510,998.93
  4. Step 4: Simplify right side
    740,349.62x = 521,813,112,212.45
  5. Step 5: Solve for x
    x = 521,813,112,212.45/740,349.62
  6. Step 6: Final answer
    x = 704,819.86

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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.