Home / 877,857.89-1,316,874.44-238,171.66

Finding the Fourth Proportional to 877,857.89, 1,316,874.44 and 238,171.66

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Solution

The fourth proportional to 877,857.89, 1,316,874.44 and 238,171.66 is: 357,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,857.89 : 1,316,874.44 = 238,171.66 : x
  2. Step 2: Convert to fraction form
    877,857.89/1,316,874.44 = 238,171.66/x
  3. Step 3: Cross multiply
    877,857.89x = 1,316,874.44 × 238,171.66
  4. Step 4: Simplify right side
    877,857.89x = 313,642,168,689.61
  5. Step 5: Solve for x
    x = 313,642,168,689.61/877,857.89
  6. Step 6: Final answer
    x = 357,281.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.