Home / 657,733.77-986,746.46-208,481.45

Finding the Fourth Proportional to 657,733.77, 986,746.46 and 208,481.45

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Solution

The fourth proportional to 657,733.77, 986,746.46 and 208,481.45 is: 312,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,733.77 : 986,746.46 = 208,481.45 : x
  2. Step 2: Convert to fraction form
    657,733.77/986,746.46 = 208,481.45/x
  3. Step 3: Cross multiply
    657,733.77x = 986,746.46 × 208,481.45
  4. Step 4: Simplify right side
    657,733.77x = 205,718,326,787.03
  5. Step 5: Solve for x
    x = 205,718,326,787.03/657,733.77
  6. Step 6: Final answer
    x = 312,768.38

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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.