Home / 941,145.84-1,298,755.08-511,411.68

Finding the Fourth Proportional to 941,145.84, 1,298,755.08 and 511,411.68

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Solution

The fourth proportional to 941,145.84, 1,298,755.08 and 511,411.68 is: 705,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,145.84 : 1,298,755.08 = 511,411.68 : x
  2. Step 2: Convert to fraction form
    941,145.84/1,298,755.08 = 511,411.68/x
  3. Step 3: Cross multiply
    941,145.84x = 1,298,755.08 × 511,411.68
  4. Step 4: Simplify right side
    941,145.84x = 664,198,517,371.34
  5. Step 5: Solve for x
    x = 664,198,517,371.34/941,145.84
  6. Step 6: Final answer
    x = 705,733.89

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Double scale
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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.