Home / 652,126.66-899,943.99-393,967.72

Finding the Fourth Proportional to 652,126.66, 899,943.99 and 393,967.72

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Solution

The fourth proportional to 652,126.66, 899,943.99 and 393,967.72 is: 543,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,126.66 : 899,943.99 = 393,967.72 : x
  2. Step 2: Convert to fraction form
    652,126.66/899,943.99 = 393,967.72/x
  3. Step 3: Cross multiply
    652,126.66x = 899,943.99 × 393,967.72
  4. Step 4: Simplify right side
    652,126.66x = 354,548,881,868.00
  5. Step 5: Solve for x
    x = 354,548,881,868.00/652,126.66
  6. Step 6: Final answer
    x = 543,681.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.