Home / 673,535.10-929,637.99-387,221.52

Finding the Fourth Proportional to 673,535.10, 929,637.99 and 387,221.52

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Solution

The fourth proportional to 673,535.10, 929,637.99 and 387,221.52 is: 534,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,535.10 : 929,637.99 = 387,221.52 : x
  2. Step 2: Convert to fraction form
    673,535.10/929,637.99 = 387,221.52/x
  3. Step 3: Cross multiply
    673,535.10x = 929,637.99 × 387,221.52
  4. Step 4: Simplify right side
    673,535.10x = 359,975,835,537.55
  5. Step 5: Solve for x
    x = 359,975,835,537.55/673,535.10
  6. Step 6: Final answer
    x = 534,457.43

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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.