Home / 714,932.61-1,072,546.52-209,510.11

Finding the Fourth Proportional to 714,932.61, 1,072,546.52 and 209,510.11

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Solution

The fourth proportional to 714,932.61, 1,072,546.52 and 209,510.11 is: 314,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,932.61 : 1,072,546.52 = 209,510.11 : x
  2. Step 2: Convert to fraction form
    714,932.61/1,072,546.52 = 209,510.11/x
  3. Step 3: Cross multiply
    714,932.61x = 1,072,546.52 × 209,510.11
  4. Step 4: Simplify right side
    714,932.61x = 224,709,339,385.32
  5. Step 5: Solve for x
    x = 224,709,339,385.32/714,932.61
  6. Step 6: Final answer
    x = 314,308.42

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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.