Home / 818,869.20-1,130,074.23-456,293.34

Finding the Fourth Proportional to 818,869.20, 1,130,074.23 and 456,293.34

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Solution

The fourth proportional to 818,869.20, 1,130,074.23 and 456,293.34 is: 629,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,869.20 : 1,130,074.23 = 456,293.34 : x
  2. Step 2: Convert to fraction form
    818,869.20/1,130,074.23 = 456,293.34/x
  3. Step 3: Cross multiply
    818,869.20x = 1,130,074.23 × 456,293.34
  4. Step 4: Simplify right side
    818,869.20x = 515,645,344,854.63
  5. Step 5: Solve for x
    x = 515,645,344,854.63/818,869.20
  6. Step 6: Final answer
    x = 629,704.16

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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.