Home / 652,125.16-899,941.92-393,966.22

Finding the Fourth Proportional to 652,125.16, 899,941.92 and 393,966.22

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Solution

The fourth proportional to 652,125.16, 899,941.92 and 393,966.22 is: 543,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,125.16 : 899,941.92 = 393,966.22 : x
  2. Step 2: Convert to fraction form
    652,125.16/899,941.92 = 393,966.22/x
  3. Step 3: Cross multiply
    652,125.16x = 899,941.92 × 393,966.22
  4. Step 4: Simplify right side
    652,125.16x = 354,546,709,972.40
  5. Step 5: Solve for x
    x = 354,546,709,972.40/652,125.16
  6. Step 6: Final answer
    x = 543,678.93

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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.