Home / 1,555,321.50-2,333,900.79-656,705.07

Finding the Fourth Proportional to 1,555,321.50, 2,333,900.79 and 656,705.07

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Solution

The fourth proportional to 1,555,321.50, 2,333,900.79 and 656,705.07 is: 985,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,321.50 : 2,333,900.79 = 656,705.07 : x
  2. Step 2: Convert to fraction form
    1,555,321.50/2,333,900.79 = 656,705.07/x
  3. Step 3: Cross multiply
    1,555,321.50x = 2,333,900.79 × 656,705.07
  4. Step 4: Simplify right side
    1,555,321.50x = 1,532,684,481,670.01
  5. Step 5: Solve for x
    x = 1,532,684,481,670.01/1,555,321.50
  6. Step 6: Final answer
    x = 985,445.44

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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.