Home / 1,253,738.64-1,880,595-307,114.32

Finding the Fourth Proportional to 1,253,738.64, 1,880,595 and 307,114.32

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Solution

The fourth proportional to 1,253,738.64, 1,880,595 and 307,114.32 is: 460,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,738.64 : 1,880,595 = 307,114.32 : x
  2. Step 2: Convert to fraction form
    1,253,738.64/1,880,595 = 307,114.32/x
  3. Step 3: Cross multiply
    1,253,738.64x = 1,880,595 × 307,114.32
  4. Step 4: Simplify right side
    1,253,738.64x = 577,557,654,620.40
  5. Step 5: Solve for x
    x = 577,557,654,620.40/1,253,738.64
  6. Step 6: Final answer
    x = 460,668.31

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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.