Home / 441,011.17-660,684.07-260,558.16

Finding the Fourth Proportional to 441,011.17, 660,684.07 and 260,558.16

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Solution

The fourth proportional to 441,011.17, 660,684.07 and 260,558.16 is: 390,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,011.17 : 660,684.07 = 260,558.16 : x
  2. Step 2: Convert to fraction form
    441,011.17/660,684.07 = 260,558.16/x
  3. Step 3: Cross multiply
    441,011.17x = 660,684.07 × 260,558.16
  4. Step 4: Simplify right side
    441,011.17x = 172,146,625,620.51
  5. Step 5: Solve for x
    x = 172,146,625,620.51/441,011.17
  6. Step 6: Final answer
    x = 390,345.27

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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.