Home / 621,921.16-932,878.57-242,880.38

Finding the Fourth Proportional to 621,921.16, 932,878.57 and 242,880.38

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Solution

The fourth proportional to 621,921.16, 932,878.57 and 242,880.38 is: 364,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,921.16 : 932,878.57 = 242,880.38 : x
  2. Step 2: Convert to fraction form
    621,921.16/932,878.57 = 242,880.38/x
  3. Step 3: Cross multiply
    621,921.16x = 932,878.57 × 242,880.38
  4. Step 4: Simplify right side
    621,921.16x = 226,577,901,575.46
  5. Step 5: Solve for x
    x = 226,577,901,575.46/621,921.16
  6. Step 6: Final answer
    x = 364,319.33

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Double scale
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1.5x scale

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.