Home / 986,346.44-1,479,169.74-355,090.76

Finding the Fourth Proportional to 986,346.44, 1,479,169.74 and 355,090.76

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Solution

The fourth proportional to 986,346.44, 1,479,169.74 and 355,090.76 is: 532,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,346.44 : 1,479,169.74 = 355,090.76 : x
  2. Step 2: Convert to fraction form
    986,346.44/1,479,169.74 = 355,090.76/x
  3. Step 3: Cross multiply
    986,346.44x = 1,479,169.74 × 355,090.76
  4. Step 4: Simplify right side
    986,346.44x = 525,239,507,145.60
  5. Step 5: Solve for x
    x = 525,239,507,145.60/986,346.44
  6. Step 6: Final answer
    x = 532,510.17

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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.