Home / 666,360.23-999,539.52-217,080.35

Finding the Fourth Proportional to 666,360.23, 999,539.52 and 217,080.35

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Solution

The fourth proportional to 666,360.23, 999,539.52 and 217,080.35 is: 325,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,360.23 : 999,539.52 = 217,080.35 : x
  2. Step 2: Convert to fraction form
    666,360.23/999,539.52 = 217,080.35/x
  3. Step 3: Cross multiply
    666,360.23x = 999,539.52 × 217,080.35
  4. Step 4: Simplify right side
    666,360.23x = 216,980,388,840.43
  5. Step 5: Solve for x
    x = 216,980,388,840.43/666,360.23
  6. Step 6: Final answer
    x = 325,620.26

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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.