Home / 1,056,137.20-1,584,205.80-346,188.40

Finding the Fourth Proportional to 1,056,137.20, 1,584,205.80 and 346,188.40

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Solution

The fourth proportional to 1,056,137.20, 1,584,205.80 and 346,188.40 is: 519,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,137.20 : 1,584,205.80 = 346,188.40 : x
  2. Step 2: Convert to fraction form
    1,056,137.20/1,584,205.80 = 346,188.40/x
  3. Step 3: Cross multiply
    1,056,137.20x = 1,584,205.80 × 346,188.40
  4. Step 4: Simplify right side
    1,056,137.20x = 548,433,671,172.72
  5. Step 5: Solve for x
    x = 548,433,671,172.72/1,056,137.20
  6. Step 6: Final answer
    x = 519,282.60

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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.