Home / 1,039,474.89-1,559,212.20-391,172.94

Finding the Fourth Proportional to 1,039,474.89, 1,559,212.20 and 391,172.94

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Solution

The fourth proportional to 1,039,474.89, 1,559,212.20 and 391,172.94 is: 586,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,474.89 : 1,559,212.20 = 391,172.94 : x
  2. Step 2: Convert to fraction form
    1,039,474.89/1,559,212.20 = 391,172.94/x
  3. Step 3: Cross multiply
    1,039,474.89x = 1,559,212.20 × 391,172.94
  4. Step 4: Simplify right side
    1,039,474.89x = 609,921,620,357.87
  5. Step 5: Solve for x
    x = 609,921,620,357.87/1,039,474.89
  6. Step 6: Final answer
    x = 586,759.36

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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.