Home / 759,143.08-1,047,721.62-436,846.60

Finding the Fourth Proportional to 759,143.08, 1,047,721.62 and 436,846.60

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Solution

The fourth proportional to 759,143.08, 1,047,721.62 and 436,846.60 is: 602,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,143.08 : 1,047,721.62 = 436,846.60 : x
  2. Step 2: Convert to fraction form
    759,143.08/1,047,721.62 = 436,846.60/x
  3. Step 3: Cross multiply
    759,143.08x = 1,047,721.62 × 436,846.60
  4. Step 4: Simplify right side
    759,143.08x = 457,693,627,443.49
  5. Step 5: Solve for x
    x = 457,693,627,443.49/759,143.08
  6. Step 6: Final answer
    x = 602,908.25

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.