Home / 481,048.08-721,590.48-214,810.80

Finding the Fourth Proportional to 481,048.08, 721,590.48 and 214,810.80

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Solution

The fourth proportional to 481,048.08, 721,590.48 and 214,810.80 is: 322,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,048.08 : 721,590.48 = 214,810.80 : x
  2. Step 2: Convert to fraction form
    481,048.08/721,590.48 = 214,810.80/x
  3. Step 3: Cross multiply
    481,048.08x = 721,590.48 × 214,810.80
  4. Step 4: Simplify right side
    481,048.08x = 155,005,428,281.18
  5. Step 5: Solve for x
    x = 155,005,428,281.18/481,048.08
  6. Step 6: Final answer
    x = 322,224.40

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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.