Home / 1,121,642.56-1,547,808.14-612,246.52

Finding the Fourth Proportional to 1,121,642.56, 1,547,808.14 and 612,246.52

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Solution

The fourth proportional to 1,121,642.56, 1,547,808.14 and 612,246.52 is: 844,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,642.56 : 1,547,808.14 = 612,246.52 : x
  2. Step 2: Convert to fraction form
    1,121,642.56/1,547,808.14 = 612,246.52/x
  3. Step 3: Cross multiply
    1,121,642.56x = 1,547,808.14 × 612,246.52
  4. Step 4: Simplify right side
    1,121,642.56x = 947,640,147,342.67
  5. Step 5: Solve for x
    x = 947,640,147,342.67/1,121,642.56
  6. Step 6: Final answer
    x = 844,868.21

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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.