Home / 940,799.61-1,298,296.35-511,082.87

Finding the Fourth Proportional to 940,799.61, 1,298,296.35 and 511,082.87

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Solution

The fourth proportional to 940,799.61, 1,298,296.35 and 511,082.87 is: 705,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,799.61 : 1,298,296.35 = 511,082.87 : x
  2. Step 2: Convert to fraction form
    940,799.61/1,298,296.35 = 511,082.87/x
  3. Step 3: Cross multiply
    940,799.61x = 1,298,296.35 × 511,082.87
  4. Step 4: Simplify right side
    940,799.61x = 663,537,018,177.04
  5. Step 5: Solve for x
    x = 663,537,018,177.04/940,799.61
  6. Step 6: Final answer
    x = 705,290.49

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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.