Home / 1,121,516.12-1,547,668.14-612,227

Finding the Fourth Proportional to 1,121,516.12, 1,547,668.14 and 612,227

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Solution

The fourth proportional to 1,121,516.12, 1,547,668.14 and 612,227 is: 844,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,516.12 : 1,547,668.14 = 612,227 : x
  2. Step 2: Convert to fraction form
    1,121,516.12/1,547,668.14 = 612,227/x
  3. Step 3: Cross multiply
    1,121,516.12x = 1,547,668.14 × 612,227
  4. Step 4: Simplify right side
    1,121,516.12x = 947,524,222,347.78
  5. Step 5: Solve for x
    x = 947,524,222,347.78/1,121,516.12
  6. Step 6: Final answer
    x = 844,860.10

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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.