Home / 730,203.90-1,095,718.23-393,237.42

Finding the Fourth Proportional to 730,203.90, 1,095,718.23 and 393,237.42

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Solution

The fourth proportional to 730,203.90, 1,095,718.23 and 393,237.42 is: 590,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,203.90 : 1,095,718.23 = 393,237.42 : x
  2. Step 2: Convert to fraction form
    730,203.90/1,095,718.23 = 393,237.42/x
  3. Step 3: Cross multiply
    730,203.90x = 1,095,718.23 × 393,237.42
  4. Step 4: Simplify right side
    730,203.90x = 430,877,409,812.17
  5. Step 5: Solve for x
    x = 430,877,409,812.17/730,203.90
  6. Step 6: Final answer
    x = 590,078.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.