Home / 1,588,612.50-2,190,776.49-1,045,209.42

Finding the Fourth Proportional to 1,588,612.50, 2,190,776.49 and 1,045,209.42

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Solution

The fourth proportional to 1,588,612.50, 2,190,776.49 and 1,045,209.42 is: 1,441,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,612.50 : 2,190,776.49 = 1,045,209.42 : x
  2. Step 2: Convert to fraction form
    1,588,612.50/2,190,776.49 = 1,045,209.42/x
  3. Step 3: Cross multiply
    1,588,612.50x = 2,190,776.49 × 1,045,209.42
  4. Step 4: Simplify right side
    1,588,612.50x = 2,289,820,224,462.54
  5. Step 5: Solve for x
    x = 2,289,820,224,462.54/1,588,612.50
  6. Step 6: Final answer
    x = 1,441,396.33

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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.