Home / 940,984.76-1,298,560.38-511,264.74

Finding the Fourth Proportional to 940,984.76, 1,298,560.38 and 511,264.74

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Solution

The fourth proportional to 940,984.76, 1,298,560.38 and 511,264.74 is: 705,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,984.76 : 1,298,560.38 = 511,264.74 : x
  2. Step 2: Convert to fraction form
    940,984.76/1,298,560.38 = 511,264.74/x
  3. Step 3: Cross multiply
    940,984.76x = 1,298,560.38 × 511,264.74
  4. Step 4: Simplify right side
    940,984.76x = 663,908,135,055.00
  5. Step 5: Solve for x
    x = 663,908,135,055.00/940,984.76
  6. Step 6: Final answer
    x = 705,546.11

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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.