Home / 571,907.28-857,302.98-272,307.36

Finding the Fourth Proportional to 571,907.28, 857,302.98 and 272,307.36

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Solution

The fourth proportional to 571,907.28, 857,302.98 and 272,307.36 is: 408,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,907.28 : 857,302.98 = 272,307.36 : x
  2. Step 2: Convert to fraction form
    571,907.28/857,302.98 = 272,307.36/x
  3. Step 3: Cross multiply
    571,907.28x = 857,302.98 × 272,307.36
  4. Step 4: Simplify right side
    571,907.28x = 233,449,911,203.93
  5. Step 5: Solve for x
    x = 233,449,911,203.93/571,907.28
  6. Step 6: Final answer
    x = 408,195.38

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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.