Home / 1,080,080.92-1,618,346.21-369,721.45

Finding the Fourth Proportional to 1,080,080.92, 1,618,346.21 and 369,721.45

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Solution

The fourth proportional to 1,080,080.92, 1,618,346.21 and 369,721.45 is: 553,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,080.92 : 1,618,346.21 = 369,721.45 : x
  2. Step 2: Convert to fraction form
    1,080,080.92/1,618,346.21 = 369,721.45/x
  3. Step 3: Cross multiply
    1,080,080.92x = 1,618,346.21 × 369,721.45
  4. Step 4: Simplify right side
    1,080,080.92x = 598,337,299,271.47
  5. Step 5: Solve for x
    x = 598,337,299,271.47/1,080,080.92
  6. Step 6: Final answer
    x = 553,974.51

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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.