Home / 879,976.65-1,214,192.13-535,581.90

Finding the Fourth Proportional to 879,976.65, 1,214,192.13 and 535,581.90

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Solution

The fourth proportional to 879,976.65, 1,214,192.13 and 535,581.90 is: 738,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,976.65 : 1,214,192.13 = 535,581.90 : x
  2. Step 2: Convert to fraction form
    879,976.65/1,214,192.13 = 535,581.90/x
  3. Step 3: Cross multiply
    879,976.65x = 1,214,192.13 × 535,581.90
  4. Step 4: Simplify right side
    879,976.65x = 650,299,327,950.45
  5. Step 5: Solve for x
    x = 650,299,327,950.45/879,976.65
  6. Step 6: Final answer
    x = 738,996.12

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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.