Home / 1,018,569.32-1,520,377.33-943,505

Finding the Fourth Proportional to 1,018,569.32, 1,520,377.33 and 943,505

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Solution

The fourth proportional to 1,018,569.32, 1,520,377.33 and 943,505 is: 1,408,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,569.32 : 1,520,377.33 = 943,505 : x
  2. Step 2: Convert to fraction form
    1,018,569.32/1,520,377.33 = 943,505/x
  3. Step 3: Cross multiply
    1,018,569.32x = 1,520,377.33 × 943,505
  4. Step 4: Simplify right side
    1,018,569.32x = 1,434,483,612,741.65
  5. Step 5: Solve for x
    x = 1,434,483,612,741.65/1,018,569.32
  6. Step 6: Final answer
    x = 1,408,331.85

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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.