Home / 1,012,922.31-1,518,822.60-414,303.90

Finding the Fourth Proportional to 1,012,922.31, 1,518,822.60 and 414,303.90

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Solution

The fourth proportional to 1,012,922.31, 1,518,822.60 and 414,303.90 is: 621,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,922.31 : 1,518,822.60 = 414,303.90 : x
  2. Step 2: Convert to fraction form
    1,012,922.31/1,518,822.60 = 414,303.90/x
  3. Step 3: Cross multiply
    1,012,922.31x = 1,518,822.60 × 414,303.90
  4. Step 4: Simplify right side
    1,012,922.31x = 629,254,126,588.14
  5. Step 5: Solve for x
    x = 629,254,126,588.14/1,012,922.31
  6. Step 6: Final answer
    x = 621,226.45

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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.