Home / 1,056,143.40-1,584,200.70-346,194.60

Finding the Fourth Proportional to 1,056,143.40, 1,584,200.70 and 346,194.60

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Solution

The fourth proportional to 1,056,143.40, 1,584,200.70 and 346,194.60 is: 519,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,143.40 : 1,584,200.70 = 346,194.60 : x
  2. Step 2: Convert to fraction form
    1,056,143.40/1,584,200.70 = 346,194.60/x
  3. Step 3: Cross multiply
    1,056,143.40x = 1,584,200.70 × 346,194.60
  4. Step 4: Simplify right side
    1,056,143.40x = 548,441,727,656.22
  5. Step 5: Solve for x
    x = 548,441,727,656.22/1,056,143.40
  6. Step 6: Final answer
    x = 519,287.18

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Double scale
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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.