Home / 1,179,638.48-1,627,881.45-656,328.89

Finding the Fourth Proportional to 1,179,638.48, 1,627,881.45 and 656,328.89

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Solution

The fourth proportional to 1,179,638.48, 1,627,881.45 and 656,328.89 is: 905,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,638.48 : 1,627,881.45 = 656,328.89 : x
  2. Step 2: Convert to fraction form
    1,179,638.48/1,627,881.45 = 656,328.89/x
  3. Step 3: Cross multiply
    1,179,638.48x = 1,627,881.45 × 656,328.89
  4. Step 4: Simplify right side
    1,179,638.48x = 1,068,425,625,130.09
  5. Step 5: Solve for x
    x = 1,068,425,625,130.09/1,179,638.48
  6. Step 6: Final answer
    x = 905,722.93

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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.