Home / 1,214,693.96-1,676,248.98-670,818.92

Finding the Fourth Proportional to 1,214,693.96, 1,676,248.98 and 670,818.92

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Solution

The fourth proportional to 1,214,693.96, 1,676,248.98 and 670,818.92 is: 925,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,693.96 : 1,676,248.98 = 670,818.92 : x
  2. Step 2: Convert to fraction form
    1,214,693.96/1,676,248.98 = 670,818.92/x
  3. Step 3: Cross multiply
    1,214,693.96x = 1,676,248.98 × 670,818.92
  4. Step 4: Simplify right side
    1,214,693.96x = 1,124,459,530,414.70
  5. Step 5: Solve for x
    x = 1,124,459,530,414.70/1,214,693.96
  6. Step 6: Final answer
    x = 925,714.27

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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.