Home / 673,296.93-928,309.32-431,181.45

Finding the Fourth Proportional to 673,296.93, 928,309.32 and 431,181.45

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Solution

The fourth proportional to 673,296.93, 928,309.32 and 431,181.45 is: 594,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,296.93 : 928,309.32 = 431,181.45 : x
  2. Step 2: Convert to fraction form
    673,296.93/928,309.32 = 431,181.45/x
  3. Step 3: Cross multiply
    673,296.93x = 928,309.32 × 431,181.45
  4. Step 4: Simplify right side
    673,296.93x = 400,269,758,646.11
  5. Step 5: Solve for x
    x = 400,269,758,646.11/673,296.93
  6. Step 6: Final answer
    x = 594,492.18

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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.