Home / 829,064.40-1,243,596.60-355,669.20

Finding the Fourth Proportional to 829,064.40, 1,243,596.60 and 355,669.20

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Solution

The fourth proportional to 829,064.40, 1,243,596.60 and 355,669.20 is: 533,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,064.40 : 1,243,596.60 = 355,669.20 : x
  2. Step 2: Convert to fraction form
    829,064.40/1,243,596.60 = 355,669.20/x
  3. Step 3: Cross multiply
    829,064.40x = 1,243,596.60 × 355,669.20
  4. Step 4: Simplify right side
    829,064.40x = 442,309,007,844.72
  5. Step 5: Solve for x
    x = 442,309,007,844.72/829,064.40
  6. Step 6: Final answer
    x = 533,503.80

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Double scale
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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.