Home / 1,525,519.51-2,105,077.77-905,217.77

Finding the Fourth Proportional to 1,525,519.51, 2,105,077.77 and 905,217.77

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Solution

The fourth proportional to 1,525,519.51, 2,105,077.77 and 905,217.77 is: 1,249,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,519.51 : 2,105,077.77 = 905,217.77 : x
  2. Step 2: Convert to fraction form
    1,525,519.51/2,105,077.77 = 905,217.77/x
  3. Step 3: Cross multiply
    1,525,519.51x = 2,105,077.77 × 905,217.77
  4. Step 4: Simplify right side
    1,525,519.51x = 1,905,553,809,898.67
  5. Step 5: Solve for x
    x = 1,905,553,809,898.67/1,525,519.51
  6. Step 6: Final answer
    x = 1,249,117.96

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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.