Home / 557,637.20-836,455.80-183,611.60

Finding the Fourth Proportional to 557,637.20, 836,455.80 and 183,611.60

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Solution

The fourth proportional to 557,637.20, 836,455.80 and 183,611.60 is: 275,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,637.20 : 836,455.80 = 183,611.60 : x
  2. Step 2: Convert to fraction form
    557,637.20/836,455.80 = 183,611.60/x
  3. Step 3: Cross multiply
    557,637.20x = 836,455.80 × 183,611.60
  4. Step 4: Simplify right side
    557,637.20x = 153,582,987,767.28
  5. Step 5: Solve for x
    x = 153,582,987,767.28/557,637.20
  6. Step 6: Final answer
    x = 275,417.40

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Similar ratio
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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.