Home / 673,224.93-929,132.64-386,744.40

Finding the Fourth Proportional to 673,224.93, 929,132.64 and 386,744.40

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Solution

The fourth proportional to 673,224.93, 929,132.64 and 386,744.40 is: 533,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,224.93 : 929,132.64 = 386,744.40 : x
  2. Step 2: Convert to fraction form
    673,224.93/929,132.64 = 386,744.40/x
  3. Step 3: Cross multiply
    673,224.93x = 929,132.64 × 386,744.40
  4. Step 4: Simplify right side
    673,224.93x = 359,336,845,377.22
  5. Step 5: Solve for x
    x = 359,336,845,377.22/673,224.93
  6. Step 6: Final answer
    x = 533,754.51

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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.