Home / 1,259,778.61-1,738,513.29-686,828.35

Finding the Fourth Proportional to 1,259,778.61, 1,738,513.29 and 686,828.35

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Solution

The fourth proportional to 1,259,778.61, 1,738,513.29 and 686,828.35 is: 947,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,778.61 : 1,738,513.29 = 686,828.35 : x
  2. Step 2: Convert to fraction form
    1,259,778.61/1,738,513.29 = 686,828.35/x
  3. Step 3: Cross multiply
    1,259,778.61x = 1,738,513.29 × 686,828.35
  4. Step 4: Simplify right side
    1,259,778.61x = 1,194,060,214,423.77
  5. Step 5: Solve for x
    x = 1,194,060,214,423.77/1,259,778.61
  6. Step 6: Final answer
    x = 947,833.38

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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.