Home / 1,018,714.86-1,528,377.84-411,190.56

Finding the Fourth Proportional to 1,018,714.86, 1,528,377.84 and 411,190.56

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Solution

The fourth proportional to 1,018,714.86, 1,528,377.84 and 411,190.56 is: 616,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,714.86 : 1,528,377.84 = 411,190.56 : x
  2. Step 2: Convert to fraction form
    1,018,714.86/1,528,377.84 = 411,190.56/x
  3. Step 3: Cross multiply
    1,018,714.86x = 1,528,377.84 × 411,190.56
  4. Step 4: Simplify right side
    1,018,714.86x = 628,454,539,921.19
  5. Step 5: Solve for x
    x = 628,454,539,921.19/1,018,714.86
  6. Step 6: Final answer
    x = 616,909.17

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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.