Home / 1,470,019.78-2,205,166.05-571,529.79

Finding the Fourth Proportional to 1,470,019.78, 2,205,166.05 and 571,529.79

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Solution

The fourth proportional to 1,470,019.78, 2,205,166.05 and 571,529.79 is: 857,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,019.78 : 2,205,166.05 = 571,529.79 : x
  2. Step 2: Convert to fraction form
    1,470,019.78/2,205,166.05 = 571,529.79/x
  3. Step 3: Cross multiply
    1,470,019.78x = 2,205,166.05 × 571,529.79
  4. Step 4: Simplify right side
    1,470,019.78x = 1,260,318,089,471.63
  5. Step 5: Solve for x
    x = 1,260,318,089,471.63/1,470,019.78
  6. Step 6: Final answer
    x = 857,347.71

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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.