Home / 714,845.52-1,072,035-315,470.16

Finding the Fourth Proportional to 714,845.52, 1,072,035 and 315,470.16

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Solution

The fourth proportional to 714,845.52, 1,072,035 and 315,470.16 is: 473,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,845.52 : 1,072,035 = 315,470.16 : x
  2. Step 2: Convert to fraction form
    714,845.52/1,072,035 = 315,470.16/x
  3. Step 3: Cross multiply
    714,845.52x = 1,072,035 × 315,470.16
  4. Step 4: Simplify right side
    714,845.52x = 338,195,052,975.60
  5. Step 5: Solve for x
    x = 338,195,052,975.60/714,845.52
  6. Step 6: Final answer
    x = 473,102.29

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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.