Home / 1,117,228.56-1,676,105.28-369,274.56

Finding the Fourth Proportional to 1,117,228.56, 1,676,105.28 and 369,274.56

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Solution

The fourth proportional to 1,117,228.56, 1,676,105.28 and 369,274.56 is: 553,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,228.56 : 1,676,105.28 = 369,274.56 : x
  2. Step 2: Convert to fraction form
    1,117,228.56/1,676,105.28 = 369,274.56/x
  3. Step 3: Cross multiply
    1,117,228.56x = 1,676,105.28 × 369,274.56
  4. Step 4: Simplify right side
    1,117,228.56x = 618,943,039,785.68
  5. Step 5: Solve for x
    x = 618,943,039,785.68/1,117,228.56
  6. Step 6: Final answer
    x = 553,998.58

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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.