Home / 1,918,520.45-2,877,780.83-570,702.42

Finding the Fourth Proportional to 1,918,520.45, 2,877,780.83 and 570,702.42

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Solution

The fourth proportional to 1,918,520.45, 2,877,780.83 and 570,702.42 is: 856,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,520.45 : 2,877,780.83 = 570,702.42 : x
  2. Step 2: Convert to fraction form
    1,918,520.45/2,877,780.83 = 570,702.42/x
  3. Step 3: Cross multiply
    1,918,520.45x = 2,877,780.83 × 570,702.42
  4. Step 4: Simplify right side
    1,918,520.45x = 1,642,356,481,057.10
  5. Step 5: Solve for x
    x = 1,642,356,481,057.10/1,918,520.45
  6. Step 6: Final answer
    x = 856,053.68

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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.