Home / 1,051,508.32-1,580,555.20-693,977

Finding the Fourth Proportional to 1,051,508.32, 1,580,555.20 and 693,977

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Solution

The fourth proportional to 1,051,508.32, 1,580,555.20 and 693,977 is: 1,043,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,508.32 : 1,580,555.20 = 693,977 : x
  2. Step 2: Convert to fraction form
    1,051,508.32/1,580,555.20 = 693,977/x
  3. Step 3: Cross multiply
    1,051,508.32x = 1,580,555.20 × 693,977
  4. Step 4: Simplify right side
    1,051,508.32x = 1,096,868,956,030.40
  5. Step 5: Solve for x
    x = 1,096,868,956,030.40/1,051,508.32
  6. Step 6: Final answer
    x = 1,043,138.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.