Home / 818,441.58-1,129,449.59-474,476.87

Finding the Fourth Proportional to 818,441.58, 1,129,449.59 and 474,476.87

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Solution

The fourth proportional to 818,441.58, 1,129,449.59 and 474,476.87 is: 654,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,441.58 : 1,129,449.59 = 474,476.87 : x
  2. Step 2: Convert to fraction form
    818,441.58/1,129,449.59 = 474,476.87/x
  3. Step 3: Cross multiply
    818,441.58x = 1,129,449.59 × 474,476.87
  4. Step 4: Simplify right side
    818,441.58x = 535,897,708,516.51
  5. Step 5: Solve for x
    x = 535,897,708,516.51/818,441.58
  6. Step 6: Final answer
    x = 654,778.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.