Home / 1,173,167.14-1,618,970.64-636,623.14

Finding the Fourth Proportional to 1,173,167.14, 1,618,970.64 and 636,623.14

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Solution

The fourth proportional to 1,173,167.14, 1,618,970.64 and 636,623.14 is: 878,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,167.14 : 1,618,970.64 = 636,623.14 : x
  2. Step 2: Convert to fraction form
    1,173,167.14/1,618,970.64 = 636,623.14/x
  3. Step 3: Cross multiply
    1,173,167.14x = 1,618,970.64 × 636,623.14
  4. Step 4: Simplify right side
    1,173,167.14x = 1,030,674,172,404.61
  5. Step 5: Solve for x
    x = 1,030,674,172,404.61/1,173,167.14
  6. Step 6: Final answer
    x = 878,539.93

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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.