Home / 1,249,211.78-1,723,917.75-676,251.95

Finding the Fourth Proportional to 1,249,211.78, 1,723,917.75 and 676,251.95

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Solution

The fourth proportional to 1,249,211.78, 1,723,917.75 and 676,251.95 is: 933,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,211.78 : 1,723,917.75 = 676,251.95 : x
  2. Step 2: Convert to fraction form
    1,249,211.78/1,723,917.75 = 676,251.95/x
  3. Step 3: Cross multiply
    1,249,211.78x = 1,723,917.75 × 676,251.95
  4. Step 4: Simplify right side
    1,249,211.78x = 1,165,802,731,457.52
  5. Step 5: Solve for x
    x = 1,165,802,731,457.52/1,249,211.78
  6. Step 6: Final answer
    x = 933,230.66

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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.