Home / 644,935.70-966,712.35-245,422.10

Finding the Fourth Proportional to 644,935.70, 966,712.35 and 245,422.10

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Solution

The fourth proportional to 644,935.70, 966,712.35 and 245,422.10 is: 367,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,935.70 : 966,712.35 = 245,422.10 : x
  2. Step 2: Convert to fraction form
    644,935.70/966,712.35 = 245,422.10/x
  3. Step 3: Cross multiply
    644,935.70x = 966,712.35 × 245,422.10
  4. Step 4: Simplify right side
    644,935.70x = 237,252,575,032.94
  5. Step 5: Solve for x
    x = 237,252,575,032.94/644,935.70
  6. Step 6: Final answer
    x = 367,870.12

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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.