Home / 896,869.44-1,345,308.96-265,788.72

Finding the Fourth Proportional to 896,869.44, 1,345,308.96 and 265,788.72

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Solution

The fourth proportional to 896,869.44, 1,345,308.96 and 265,788.72 is: 398,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,869.44 : 1,345,308.96 = 265,788.72 : x
  2. Step 2: Convert to fraction form
    896,869.44/1,345,308.96 = 265,788.72/x
  3. Step 3: Cross multiply
    896,869.44x = 1,345,308.96 × 265,788.72
  4. Step 4: Simplify right side
    896,869.44x = 357,567,946,482.93
  5. Step 5: Solve for x
    x = 357,567,946,482.93/896,869.44
  6. Step 6: Final answer
    x = 398,684.50

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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.