Home / 941,097.30-1,298,715.57-511,382.58

Finding the Fourth Proportional to 941,097.30, 1,298,715.57 and 511,382.58

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Solution

The fourth proportional to 941,097.30, 1,298,715.57 and 511,382.58 is: 705,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,097.30 : 1,298,715.57 = 511,382.58 : x
  2. Step 2: Convert to fraction form
    941,097.30/1,298,715.57 = 511,382.58/x
  3. Step 3: Cross multiply
    941,097.30x = 1,298,715.57 × 511,382.58
  4. Step 4: Simplify right side
    941,097.30x = 664,140,518,872.77
  5. Step 5: Solve for x
    x = 664,140,518,872.77/941,097.30
  6. Step 6: Final answer
    x = 705,708.66

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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.