Home / 1,310,300.19-1,808,213.43-737,340.87

Finding the Fourth Proportional to 1,310,300.19, 1,808,213.43 and 737,340.87

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Solution

The fourth proportional to 1,310,300.19, 1,808,213.43 and 737,340.87 is: 1,017,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,300.19 : 1,808,213.43 = 737,340.87 : x
  2. Step 2: Convert to fraction form
    1,310,300.19/1,808,213.43 = 737,340.87/x
  3. Step 3: Cross multiply
    1,310,300.19x = 1,808,213.43 × 737,340.87
  4. Step 4: Simplify right side
    1,310,300.19x = 1,333,269,663,621.88
  5. Step 5: Solve for x
    x = 1,333,269,663,621.88/1,310,300.19
  6. Step 6: Final answer
    x = 1,017,529.93

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Double scale
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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.