Home / 893,872.40-1,340,808.60-538,703.60

Finding the Fourth Proportional to 893,872.40, 1,340,808.60 and 538,703.60

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Solution

The fourth proportional to 893,872.40, 1,340,808.60 and 538,703.60 is: 808,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,872.40 : 1,340,808.60 = 538,703.60 : x
  2. Step 2: Convert to fraction form
    893,872.40/1,340,808.60 = 538,703.60/x
  3. Step 3: Cross multiply
    893,872.40x = 1,340,808.60 × 538,703.60
  4. Step 4: Simplify right side
    893,872.40x = 722,298,419,730.96
  5. Step 5: Solve for x
    x = 722,298,419,730.96/893,872.40
  6. Step 6: Final answer
    x = 808,055.40

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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.