Home / 882,399.90-1,320,259.74-522,763.83

Finding the Fourth Proportional to 882,399.90, 1,320,259.74 and 522,763.83

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Solution

The fourth proportional to 882,399.90, 1,320,259.74 and 522,763.83 is: 782,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,399.90 : 1,320,259.74 = 522,763.83 : x
  2. Step 2: Convert to fraction form
    882,399.90/1,320,259.74 = 522,763.83/x
  3. Step 3: Cross multiply
    882,399.90x = 1,320,259.74 × 522,763.83
  4. Step 4: Simplify right side
    882,399.90x = 690,184,038,277.20
  5. Step 5: Solve for x
    x = 690,184,038,277.20/882,399.90
  6. Step 6: Final answer
    x = 782,166.95

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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.