Home / 1,018,553.32-1,520,353.49-943,489

Finding the Fourth Proportional to 1,018,553.32, 1,520,353.49 and 943,489

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Solution

The fourth proportional to 1,018,553.32, 1,520,353.49 and 943,489 is: 1,408,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,553.32 : 1,520,353.49 = 943,489 : x
  2. Step 2: Convert to fraction form
    1,018,553.32/1,520,353.49 = 943,489/x
  3. Step 3: Cross multiply
    1,018,553.32x = 1,520,353.49 × 943,489
  4. Step 4: Simplify right side
    1,018,553.32x = 1,434,436,793,926.61
  5. Step 5: Solve for x
    x = 1,434,436,793,926.61/1,018,553.32
  6. Step 6: Final answer
    x = 1,408,308.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.