Home / 1,028,688.50-1,419,575.13-569,801.57

Finding the Fourth Proportional to 1,028,688.50, 1,419,575.13 and 569,801.57

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Solution

The fourth proportional to 1,028,688.50, 1,419,575.13 and 569,801.57 is: 786,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,688.50 : 1,419,575.13 = 569,801.57 : x
  2. Step 2: Convert to fraction form
    1,028,688.50/1,419,575.13 = 569,801.57/x
  3. Step 3: Cross multiply
    1,028,688.50x = 1,419,575.13 × 569,801.57
  4. Step 4: Simplify right side
    1,028,688.50x = 808,876,130,709.08
  5. Step 5: Solve for x
    x = 808,876,130,709.08/1,028,688.50
  6. Step 6: Final answer
    x = 786,317.85

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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.