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Finding the Fourth Proportional to 739,807.40, 1,033,368.40 and 739,807.40

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Solution

The fourth proportional to 739,807.40, 1,033,368.40 and 739,807.40 is: 1,033,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,807.40 : 1,033,368.40 = 739,807.40 : x
  2. Step 2: Convert to fraction form
    739,807.40/1,033,368.40 = 739,807.40/x
  3. Step 3: Cross multiply
    739,807.40x = 1,033,368.40 × 739,807.40
  4. Step 4: Simplify right side
    739,807.40x = 764,493,589,246.16
  5. Step 5: Solve for x
    x = 764,493,589,246.16/739,807.40
  6. Step 6: Final answer
    x = 1,033,368.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.