Home / 315,035.10-472,552.65-277,637.40

Finding the Fourth Proportional to 315,035.10, 472,552.65 and 277,637.40

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Solution

The fourth proportional to 315,035.10, 472,552.65 and 277,637.40 is: 416,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,035.10 : 472,552.65 = 277,637.40 : x
  2. Step 2: Convert to fraction form
    315,035.10/472,552.65 = 277,637.40/x
  3. Step 3: Cross multiply
    315,035.10x = 472,552.65 × 277,637.40
  4. Step 4: Simplify right side
    315,035.10x = 131,198,289,109.11
  5. Step 5: Solve for x
    x = 131,198,289,109.11/315,035.10
  6. Step 6: Final answer
    x = 416,456.10

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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.