Home / 617,904.90-927,116.55-461,490.66

Finding the Fourth Proportional to 617,904.90, 927,116.55 and 461,490.66

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Solution

The fourth proportional to 617,904.90, 927,116.55 and 461,490.66 is: 692,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,904.90 : 927,116.55 = 461,490.66 : x
  2. Step 2: Convert to fraction form
    617,904.90/927,116.55 = 461,490.66/x
  3. Step 3: Cross multiply
    617,904.90x = 927,116.55 × 461,490.66
  4. Step 4: Simplify right side
    617,904.90x = 427,855,628,556.42
  5. Step 5: Solve for x
    x = 427,855,628,556.42/617,904.90
  6. Step 6: Final answer
    x = 692,429.58

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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.