Home / 673,191.06-928,999.20-382,802.64

Finding the Fourth Proportional to 673,191.06, 928,999.20 and 382,802.64

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Solution

The fourth proportional to 673,191.06, 928,999.20 and 382,802.64 is: 528,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,191.06 : 928,999.20 = 382,802.64 : x
  2. Step 2: Convert to fraction form
    673,191.06/928,999.20 = 382,802.64/x
  3. Step 3: Cross multiply
    673,191.06x = 928,999.20 × 382,802.64
  4. Step 4: Simplify right side
    673,191.06x = 355,623,346,317.89
  5. Step 5: Solve for x
    x = 355,623,346,317.89/673,191.06
  6. Step 6: Final answer
    x = 528,265.11

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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.