Home / 923,416.40-1,385,124.60-817,662.80

Finding the Fourth Proportional to 923,416.40, 1,385,124.60 and 817,662.80

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Solution

The fourth proportional to 923,416.40, 1,385,124.60 and 817,662.80 is: 1,226,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,416.40 : 1,385,124.60 = 817,662.80 : x
  2. Step 2: Convert to fraction form
    923,416.40/1,385,124.60 = 817,662.80/x
  3. Step 3: Cross multiply
    923,416.40x = 1,385,124.60 × 817,662.80
  4. Step 4: Simplify right side
    923,416.40x = 1,132,564,858,784.88
  5. Step 5: Solve for x
    x = 1,132,564,858,784.88/923,416.40
  6. Step 6: Final answer
    x = 1,226,494.20

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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.