Home / 843,574.14-1,265,361.21-370,263.60

Finding the Fourth Proportional to 843,574.14, 1,265,361.21 and 370,263.60

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Solution

The fourth proportional to 843,574.14, 1,265,361.21 and 370,263.60 is: 555,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,574.14 : 1,265,361.21 = 370,263.60 : x
  2. Step 2: Convert to fraction form
    843,574.14/1,265,361.21 = 370,263.60/x
  3. Step 3: Cross multiply
    843,574.14x = 1,265,361.21 × 370,263.60
  4. Step 4: Simplify right side
    843,574.14x = 468,517,196,914.96
  5. Step 5: Solve for x
    x = 468,517,196,914.96/843,574.14
  6. Step 6: Final answer
    x = 555,395.40

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Double scale
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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.