Home / 936,555.31-1,292,450.40-506,835.48

Finding the Fourth Proportional to 936,555.31, 1,292,450.40 and 506,835.48

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Solution

The fourth proportional to 936,555.31, 1,292,450.40 and 506,835.48 is: 699,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,555.31 : 1,292,450.40 = 506,835.48 : x
  2. Step 2: Convert to fraction form
    936,555.31/1,292,450.40 = 506,835.48/x
  3. Step 3: Cross multiply
    936,555.31x = 1,292,450.40 × 506,835.48
  4. Step 4: Simplify right side
    936,555.31x = 655,059,720,760.83
  5. Step 5: Solve for x
    x = 655,059,720,760.83/936,555.31
  6. Step 6: Final answer
    x = 699,435.17

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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.