Home / 673,292.72-929,480.66-418,725.92

Finding the Fourth Proportional to 673,292.72, 929,480.66 and 418,725.92

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Solution

The fourth proportional to 673,292.72, 929,480.66 and 418,725.92 is: 578,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,292.72 : 929,480.66 = 418,725.92 : x
  2. Step 2: Convert to fraction form
    673,292.72/929,480.66 = 418,725.92/x
  3. Step 3: Cross multiply
    673,292.72x = 929,480.66 × 418,725.92
  4. Step 4: Simplify right side
    673,292.72x = 389,197,637,739.67
  5. Step 5: Solve for x
    x = 389,197,637,739.67/673,292.72
  6. Step 6: Final answer
    x = 578,051.16

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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.