Home / 1,294,889.10-1,786,881.45-714,213.26

Finding the Fourth Proportional to 1,294,889.10, 1,786,881.45 and 714,213.26

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Solution

The fourth proportional to 1,294,889.10, 1,786,881.45 and 714,213.26 is: 985,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,889.10 : 1,786,881.45 = 714,213.26 : x
  2. Step 2: Convert to fraction form
    1,294,889.10/1,786,881.45 = 714,213.26/x
  3. Step 3: Cross multiply
    1,294,889.10x = 1,786,881.45 × 714,213.26
  4. Step 4: Simplify right side
    1,294,889.10x = 1,276,214,425,638.03
  5. Step 5: Solve for x
    x = 1,276,214,425,638.03/1,294,889.10
  6. Step 6: Final answer
    x = 985,578.17

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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.