Home / 1,556,769.38-2,147,227.18-1,011,888.86

Finding the Fourth Proportional to 1,556,769.38, 2,147,227.18 and 1,011,888.86

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Solution

The fourth proportional to 1,556,769.38, 2,147,227.18 and 1,011,888.86 is: 1,395,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,769.38 : 2,147,227.18 = 1,011,888.86 : x
  2. Step 2: Convert to fraction form
    1,556,769.38/2,147,227.18 = 1,011,888.86/x
  3. Step 3: Cross multiply
    1,556,769.38x = 2,147,227.18 × 1,011,888.86
  4. Step 4: Simplify right side
    1,556,769.38x = 2,172,755,250,065.36
  5. Step 5: Solve for x
    x = 2,172,755,250,065.36/1,556,769.38
  6. Step 6: Final answer
    x = 1,395,682.16

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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.