Home / 936,405.77-1,293,113.19-689,223.42

Finding the Fourth Proportional to 936,405.77, 1,293,113.19 and 689,223.42

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Solution

The fourth proportional to 936,405.77, 1,293,113.19 and 689,223.42 is: 951,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,405.77 : 1,293,113.19 = 689,223.42 : x
  2. Step 2: Convert to fraction form
    936,405.77/1,293,113.19 = 689,223.42/x
  3. Step 3: Cross multiply
    936,405.77x = 1,293,113.19 × 689,223.42
  4. Step 4: Simplify right side
    936,405.77x = 891,243,893,642.52
  5. Step 5: Solve for x
    x = 891,243,893,642.52/936,405.77
  6. Step 6: Final answer
    x = 951,771.04

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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.