Home / 1,678,522.21-2,316,360.98-914,575.77

Finding the Fourth Proportional to 1,678,522.21, 2,316,360.98 and 914,575.77

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Solution

The fourth proportional to 1,678,522.21, 2,316,360.98 and 914,575.77 is: 1,262,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,522.21 : 2,316,360.98 = 914,575.77 : x
  2. Step 2: Convert to fraction form
    1,678,522.21/2,316,360.98 = 914,575.77/x
  3. Step 3: Cross multiply
    1,678,522.21x = 2,316,360.98 × 914,575.77
  4. Step 4: Simplify right side
    1,678,522.21x = 2,118,487,616,517.67
  5. Step 5: Solve for x
    x = 2,118,487,616,517.67/1,678,522.21
  6. Step 6: Final answer
    x = 1,262,114.74

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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.