Home / 653,263.57-979,957.32-253,935.19

Finding the Fourth Proportional to 653,263.57, 979,957.32 and 253,935.19

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Solution

The fourth proportional to 653,263.57, 979,957.32 and 253,935.19 is: 380,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,263.57 : 979,957.32 = 253,935.19 : x
  2. Step 2: Convert to fraction form
    653,263.57/979,957.32 = 253,935.19/x
  3. Step 3: Cross multiply
    653,263.57x = 979,957.32 × 253,935.19
  4. Step 4: Simplify right side
    653,263.57x = 248,845,648,246.09
  5. Step 5: Solve for x
    x = 248,845,648,246.09/653,263.57
  6. Step 6: Final answer
    x = 380,926.87

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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.