Home / 581,621.76-872,075.28-226,221.48

Finding the Fourth Proportional to 581,621.76, 872,075.28 and 226,221.48

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Solution

The fourth proportional to 581,621.76, 872,075.28 and 226,221.48 is: 339,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,621.76 : 872,075.28 = 226,221.48 : x
  2. Step 2: Convert to fraction form
    581,621.76/872,075.28 = 226,221.48/x
  3. Step 3: Cross multiply
    581,621.76x = 872,075.28 × 226,221.48
  4. Step 4: Simplify right side
    581,621.76x = 197,282,160,513.01
  5. Step 5: Solve for x
    x = 197,282,160,513.01/581,621.76
  6. Step 6: Final answer
    x = 339,193.23

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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.