Home / 673,064.03-928,791.87-386,584.19

Finding the Fourth Proportional to 673,064.03, 928,791.87 and 386,584.19

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Solution

The fourth proportional to 673,064.03, 928,791.87 and 386,584.19 is: 533,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,064.03 : 928,791.87 = 386,584.19 : x
  2. Step 2: Convert to fraction form
    673,064.03/928,791.87 = 386,584.19/x
  3. Step 3: Cross multiply
    673,064.03x = 928,791.87 × 386,584.19
  4. Step 4: Simplify right side
    673,064.03x = 359,056,255,356.31
  5. Step 5: Solve for x
    x = 359,056,255,356.31/673,064.03
  6. Step 6: Final answer
    x = 533,465.22

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1.5x scale

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.