Home / 824,145.60-1,236,437.10-291,611.10

Finding the Fourth Proportional to 824,145.60, 1,236,437.10 and 291,611.10

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Solution

The fourth proportional to 824,145.60, 1,236,437.10 and 291,611.10 is: 437,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,145.60 : 1,236,437.10 = 291,611.10 : x
  2. Step 2: Convert to fraction form
    824,145.60/1,236,437.10 = 291,611.10/x
  3. Step 3: Cross multiply
    824,145.60x = 1,236,437.10 × 291,611.10
  4. Step 4: Simplify right side
    824,145.60x = 360,558,782,811.81
  5. Step 5: Solve for x
    x = 360,558,782,811.81/824,145.60
  6. Step 6: Final answer
    x = 437,494.03

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Double scale
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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.