Home / 1,191,979.46-1,789,092.89-434,553

Finding the Fourth Proportional to 1,191,979.46, 1,789,092.89 and 434,553

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Solution

The fourth proportional to 1,191,979.46, 1,789,092.89 and 434,553 is: 652,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,979.46 : 1,789,092.89 = 434,553 : x
  2. Step 2: Convert to fraction form
    1,191,979.46/1,789,092.89 = 434,553/x
  3. Step 3: Cross multiply
    1,191,979.46x = 1,789,092.89 × 434,553
  4. Step 4: Simplify right side
    1,191,979.46x = 777,455,682,628.17
  5. Step 5: Solve for x
    x = 777,455,682,628.17/1,191,979.46
  6. Step 6: Final answer
    x = 652,239.16

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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.