Home / 862,024.10-1,291,873.62-435,860.57

Finding the Fourth Proportional to 862,024.10, 1,291,873.62 and 435,860.57

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Solution

The fourth proportional to 862,024.10, 1,291,873.62 and 435,860.57 is: 653,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,024.10 : 1,291,873.62 = 435,860.57 : x
  2. Step 2: Convert to fraction form
    862,024.10/1,291,873.62 = 435,860.57/x
  3. Step 3: Cross multiply
    862,024.10x = 1,291,873.62 × 435,860.57
  4. Step 4: Simplify right side
    862,024.10x = 563,076,766,972.18
  5. Step 5: Solve for x
    x = 563,076,766,972.18/862,024.10
  6. Step 6: Final answer
    x = 653,203.05

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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.