Home / 617,531.48-927,147.30-314,131.04

Finding the Fourth Proportional to 617,531.48, 927,147.30 and 314,131.04

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Solution

The fourth proportional to 617,531.48, 927,147.30 and 314,131.04 is: 471,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,531.48 : 927,147.30 = 314,131.04 : x
  2. Step 2: Convert to fraction form
    617,531.48/927,147.30 = 314,131.04/x
  3. Step 3: Cross multiply
    617,531.48x = 927,147.30 × 314,131.04
  4. Step 4: Simplify right side
    617,531.48x = 291,245,745,582.19
  5. Step 5: Solve for x
    x = 291,245,745,582.19/617,531.48
  6. Step 6: Final answer
    x = 471,628.99

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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.