Home / 1,556,842.61-2,335,106.22-419,719.76

Finding the Fourth Proportional to 1,556,842.61, 2,335,106.22 and 419,719.76

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Solution

The fourth proportional to 1,556,842.61, 2,335,106.22 and 419,719.76 is: 629,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,842.61 : 2,335,106.22 = 419,719.76 : x
  2. Step 2: Convert to fraction form
    1,556,842.61/2,335,106.22 = 419,719.76/x
  3. Step 3: Cross multiply
    1,556,842.61x = 2,335,106.22 × 419,719.76
  4. Step 4: Simplify right side
    1,556,842.61x = 980,090,220,101.00
  5. Step 5: Solve for x
    x = 980,090,220,101.00/1,556,842.61
  6. Step 6: Final answer
    x = 629,537.12

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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.