Home / 1,312,424-1,968,826.08-413,561.60

Finding the Fourth Proportional to 1,312,424, 1,968,826.08 and 413,561.60

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Solution

The fourth proportional to 1,312,424, 1,968,826.08 and 413,561.60 is: 620,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,424 : 1,968,826.08 = 413,561.60 : x
  2. Step 2: Convert to fraction form
    1,312,424/1,968,826.08 = 413,561.60/x
  3. Step 3: Cross multiply
    1,312,424x = 1,968,826.08 × 413,561.60
  4. Step 4: Simplify right side
    1,312,424x = 814,230,863,766.53
  5. Step 5: Solve for x
    x = 814,230,863,766.53/1,312,424
  6. Step 6: Final answer
    x = 620,402.30

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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.