Home / 1,225,817.20-1,838,725.80-384,367.60

Finding the Fourth Proportional to 1,225,817.20, 1,838,725.80 and 384,367.60

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Solution

The fourth proportional to 1,225,817.20, 1,838,725.80 and 384,367.60 is: 576,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,817.20 : 1,838,725.80 = 384,367.60 : x
  2. Step 2: Convert to fraction form
    1,225,817.20/1,838,725.80 = 384,367.60/x
  3. Step 3: Cross multiply
    1,225,817.20x = 1,838,725.80 × 384,367.60
  4. Step 4: Simplify right side
    1,225,817.20x = 706,746,622,804.08
  5. Step 5: Solve for x
    x = 706,746,622,804.08/1,225,817.20
  6. Step 6: Final answer
    x = 576,551.40

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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.