Home / 1,010,520.36-1,514,888.73-411,982.20

Finding the Fourth Proportional to 1,010,520.36, 1,514,888.73 and 411,982.20

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Solution

The fourth proportional to 1,010,520.36, 1,514,888.73 and 411,982.20 is: 617,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,520.36 : 1,514,888.73 = 411,982.20 : x
  2. Step 2: Convert to fraction form
    1,010,520.36/1,514,888.73 = 411,982.20/x
  3. Step 3: Cross multiply
    1,010,520.36x = 1,514,888.73 × 411,982.20
  4. Step 4: Simplify right side
    1,010,520.36x = 624,107,191,740.61
  5. Step 5: Solve for x
    x = 624,107,191,740.61/1,010,520.36
  6. Step 6: Final answer
    x = 617,609.72

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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.