Home / 1,211,300.16-1,671,572.18-667,486.14

Finding the Fourth Proportional to 1,211,300.16, 1,671,572.18 and 667,486.14

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Solution

The fourth proportional to 1,211,300.16, 1,671,572.18 and 667,486.14 is: 921,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,300.16 : 1,671,572.18 = 667,486.14 : x
  2. Step 2: Convert to fraction form
    1,211,300.16/1,671,572.18 = 667,486.14/x
  3. Step 3: Cross multiply
    1,211,300.16x = 1,671,572.18 × 667,486.14
  4. Step 4: Simplify right side
    1,211,300.16x = 1,115,751,262,159.59
  5. Step 5: Solve for x
    x = 1,115,751,262,159.59/1,211,300.16
  6. Step 6: Final answer
    x = 921,118.73

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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.