Home / 773,116.40-1,159,674.60-457,410.80

Finding the Fourth Proportional to 773,116.40, 1,159,674.60 and 457,410.80

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Solution

The fourth proportional to 773,116.40, 1,159,674.60 and 457,410.80 is: 686,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,116.40 : 1,159,674.60 = 457,410.80 : x
  2. Step 2: Convert to fraction form
    773,116.40/1,159,674.60 = 457,410.80/x
  3. Step 3: Cross multiply
    773,116.40x = 1,159,674.60 × 457,410.80
  4. Step 4: Simplify right side
    773,116.40x = 530,447,686,525.68
  5. Step 5: Solve for x
    x = 530,447,686,525.68/773,116.40
  6. Step 6: Final answer
    x = 686,116.20

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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.