Home / 1,101,506.69-1,520,091.48-611,509.34

Finding the Fourth Proportional to 1,101,506.69, 1,520,091.48 and 611,509.34

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Solution

The fourth proportional to 1,101,506.69, 1,520,091.48 and 611,509.34 is: 843,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,506.69 : 1,520,091.48 = 611,509.34 : x
  2. Step 2: Convert to fraction form
    1,101,506.69/1,520,091.48 = 611,509.34/x
  3. Step 3: Cross multiply
    1,101,506.69x = 1,520,091.48 × 611,509.34
  4. Step 4: Simplify right side
    1,101,506.69x = 929,550,130,073.97
  5. Step 5: Solve for x
    x = 929,550,130,073.97/1,101,506.69
  6. Step 6: Final answer
    x = 843,889.69

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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.