Home / 617,428.20-928,110.60-581,998.80

Finding the Fourth Proportional to 617,428.20, 928,110.60 and 581,998.80

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Solution

The fourth proportional to 617,428.20, 928,110.60 and 581,998.80 is: 874,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,428.20 : 928,110.60 = 581,998.80 : x
  2. Step 2: Convert to fraction form
    617,428.20/928,110.60 = 581,998.80/x
  3. Step 3: Cross multiply
    617,428.20x = 928,110.60 × 581,998.80
  4. Step 4: Simplify right side
    617,428.20x = 540,159,255,467.28
  5. Step 5: Solve for x
    x = 540,159,255,467.28/617,428.20
  6. Step 6: Final answer
    x = 874,853.55

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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.