Home / 926,168.04-1,276,886.70-667,828.80

Finding the Fourth Proportional to 926,168.04, 1,276,886.70 and 667,828.80

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Solution

The fourth proportional to 926,168.04, 1,276,886.70 and 667,828.80 is: 920,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,168.04 : 1,276,886.70 = 667,828.80 : x
  2. Step 2: Convert to fraction form
    926,168.04/1,276,886.70 = 667,828.80/x
  3. Step 3: Cross multiply
    926,168.04x = 1,276,886.70 × 667,828.80
  4. Step 4: Simplify right side
    926,168.04x = 852,741,712,596.96
  5. Step 5: Solve for x
    x = 852,741,712,596.96/926,168.04
  6. Step 6: Final answer
    x = 920,720.30

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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.