Home / 484,631.83-668,867.13-291,147.26

Finding the Fourth Proportional to 484,631.83, 668,867.13 and 291,147.26

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Solution

The fourth proportional to 484,631.83, 668,867.13 and 291,147.26 is: 401,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,631.83 : 668,867.13 = 291,147.26 : x
  2. Step 2: Convert to fraction form
    484,631.83/668,867.13 = 291,147.26/x
  3. Step 3: Cross multiply
    484,631.83x = 668,867.13 × 291,147.26
  4. Step 4: Simplify right side
    484,631.83x = 194,738,828,859.23
  5. Step 5: Solve for x
    x = 194,738,828,859.23/484,631.83
  6. Step 6: Final answer
    x = 401,828.39

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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.