Home / 458,823.44-688,210.80-143,244.24

Finding the Fourth Proportional to 458,823.44, 688,210.80 and 143,244.24

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Solution

The fourth proportional to 458,823.44, 688,210.80 and 143,244.24 is: 214,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,823.44 : 688,210.80 = 143,244.24 : x
  2. Step 2: Convert to fraction form
    458,823.44/688,210.80 = 143,244.24/x
  3. Step 3: Cross multiply
    458,823.44x = 688,210.80 × 143,244.24
  4. Step 4: Simplify right side
    458,823.44x = 98,582,233,005.79
  5. Step 5: Solve for x
    x = 98,582,233,005.79/458,823.44
  6. Step 6: Final answer
    x = 214,858.75

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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.