Home / 969,705.93-1,453,560.86-430,216.28

Finding the Fourth Proportional to 969,705.93, 1,453,560.86 and 430,216.28

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Solution

The fourth proportional to 969,705.93, 1,453,560.86 and 430,216.28 is: 644,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,705.93 : 1,453,560.86 = 430,216.28 : x
  2. Step 2: Convert to fraction form
    969,705.93/1,453,560.86 = 430,216.28/x
  3. Step 3: Cross multiply
    969,705.93x = 1,453,560.86 × 430,216.28
  4. Step 4: Simplify right side
    969,705.93x = 625,345,545,942.80
  5. Step 5: Solve for x
    x = 625,345,545,942.80/969,705.93
  6. Step 6: Final answer
    x = 644,881.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.