Home / 1,185,775.53-1,636,360.56-641,900.22

Finding the Fourth Proportional to 1,185,775.53, 1,636,360.56 and 641,900.22

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Solution

The fourth proportional to 1,185,775.53, 1,636,360.56 and 641,900.22 is: 885,817.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,775.53 : 1,636,360.56 = 641,900.22 : x
  2. Step 2: Convert to fraction form
    1,185,775.53/1,636,360.56 = 641,900.22/x
  3. Step 3: Cross multiply
    1,185,775.53x = 1,636,360.56 × 641,900.22
  4. Step 4: Simplify right side
    1,185,775.53x = 1,050,380,203,463.32
  5. Step 5: Solve for x
    x = 1,050,380,203,463.32/1,185,775.53
  6. Step 6: Final answer
    x = 885,817.07

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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.