Home / 1,142,847.90-1,714,511.61-432,860.22

Finding the Fourth Proportional to 1,142,847.90, 1,714,511.61 and 432,860.22

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Solution

The fourth proportional to 1,142,847.90, 1,714,511.61 and 432,860.22 is: 649,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,847.90 : 1,714,511.61 = 432,860.22 : x
  2. Step 2: Convert to fraction form
    1,142,847.90/1,714,511.61 = 432,860.22/x
  3. Step 3: Cross multiply
    1,142,847.90x = 1,714,511.61 × 432,860.22
  4. Step 4: Simplify right side
    1,142,847.90x = 742,143,872,697.15
  5. Step 5: Solve for x
    x = 742,143,872,697.15/1,142,847.90
  6. Step 6: Final answer
    x = 649,381.14

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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.