Home / 936,573.33-1,291,593.90-621,688.16

Finding the Fourth Proportional to 936,573.33, 1,291,593.90 and 621,688.16

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Solution

The fourth proportional to 936,573.33, 1,291,593.90 and 621,688.16 is: 857,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,573.33 : 1,291,593.90 = 621,688.16 : x
  2. Step 2: Convert to fraction form
    936,573.33/1,291,593.90 = 621,688.16/x
  3. Step 3: Cross multiply
    936,573.33x = 1,291,593.90 × 621,688.16
  4. Step 4: Simplify right side
    936,573.33x = 802,968,640,718.54
  5. Step 5: Solve for x
    x = 802,968,640,718.54/936,573.33
  6. Step 6: Final answer
    x = 857,347.32

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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.