Home / 926,150.04-1,276,861.86-667,810.80

Finding the Fourth Proportional to 926,150.04, 1,276,861.86 and 667,810.80

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Solution

The fourth proportional to 926,150.04, 1,276,861.86 and 667,810.80 is: 920,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,150.04 : 1,276,861.86 = 667,810.80 : x
  2. Step 2: Convert to fraction form
    926,150.04/1,276,861.86 = 667,810.80/x
  3. Step 3: Cross multiply
    926,150.04x = 1,276,861.86 × 667,810.80
  4. Step 4: Simplify right side
    926,150.04x = 852,702,140,216.09
  5. Step 5: Solve for x
    x = 852,702,140,216.09/926,150.04
  6. Step 6: Final answer
    x = 920,695.46

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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.