Home / 617,530.48-927,145.80-314,130.04

Finding the Fourth Proportional to 617,530.48, 927,145.80 and 314,130.04

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Solution

The fourth proportional to 617,530.48, 927,145.80 and 314,130.04 is: 471,627.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,530.48 : 927,145.80 = 314,130.04 : x
  2. Step 2: Convert to fraction form
    617,530.48/927,145.80 = 314,130.04/x
  3. Step 3: Cross multiply
    617,530.48x = 927,145.80 × 314,130.04
  4. Step 4: Simplify right side
    617,530.48x = 291,244,347,239.83
  5. Step 5: Solve for x
    x = 291,244,347,239.83/617,530.48
  6. Step 6: Final answer
    x = 471,627.49

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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.