Home / 1,428,982.17-2,141,811.14-529,731.51

Finding the Fourth Proportional to 1,428,982.17, 2,141,811.14 and 529,731.51

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Solution

The fourth proportional to 1,428,982.17, 2,141,811.14 and 529,731.51 is: 793,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,982.17 : 2,141,811.14 = 529,731.51 : x
  2. Step 2: Convert to fraction form
    1,428,982.17/2,141,811.14 = 529,731.51/x
  3. Step 3: Cross multiply
    1,428,982.17x = 2,141,811.14 × 529,731.51
  4. Step 4: Simplify right side
    1,428,982.17x = 1,134,584,846,678.36
  5. Step 5: Solve for x
    x = 1,134,584,846,678.36/1,428,982.17
  6. Step 6: Final answer
    x = 793,981.11

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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.