Home / 1,356,071.60-2,034,107.40-345,191.60

Finding the Fourth Proportional to 1,356,071.60, 2,034,107.40 and 345,191.60

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Solution

The fourth proportional to 1,356,071.60, 2,034,107.40 and 345,191.60 is: 517,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,071.60 : 2,034,107.40 = 345,191.60 : x
  2. Step 2: Convert to fraction form
    1,356,071.60/2,034,107.40 = 345,191.60/x
  3. Step 3: Cross multiply
    1,356,071.60x = 2,034,107.40 × 345,191.60
  4. Step 4: Simplify right side
    1,356,071.60x = 702,156,787,977.84
  5. Step 5: Solve for x
    x = 702,156,787,977.84/1,356,071.60
  6. Step 6: Final answer
    x = 517,787.40

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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.