Home / 451,897.32-623,629.77-247,948.18

Finding the Fourth Proportional to 451,897.32, 623,629.77 and 247,948.18

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Solution

The fourth proportional to 451,897.32, 623,629.77 and 247,948.18 is: 342,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,897.32 : 623,629.77 = 247,948.18 : x
  2. Step 2: Convert to fraction form
    451,897.32/623,629.77 = 247,948.18/x
  3. Step 3: Cross multiply
    451,897.32x = 623,629.77 × 247,948.18
  4. Step 4: Simplify right side
    451,897.32x = 154,627,866,465.32
  5. Step 5: Solve for x
    x = 154,627,866,465.32/451,897.32
  6. Step 6: Final answer
    x = 342,174.78

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1.5x scale

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.