Home / 1,135,107.68-1,566,389.54-705,378.58

Finding the Fourth Proportional to 1,135,107.68, 1,566,389.54 and 705,378.58

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Solution

The fourth proportional to 1,135,107.68, 1,566,389.54 and 705,378.58 is: 973,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,107.68 : 1,566,389.54 = 705,378.58 : x
  2. Step 2: Convert to fraction form
    1,135,107.68/1,566,389.54 = 705,378.58/x
  3. Step 3: Cross multiply
    1,135,107.68x = 1,566,389.54 × 705,378.58
  4. Step 4: Simplify right side
    1,135,107.68x = 1,104,897,627,299.53
  5. Step 5: Solve for x
    x = 1,104,897,627,299.53/1,135,107.68
  6. Step 6: Final answer
    x = 973,385.74

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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.