Home / 1,223,227.35-1,688,064.39-679,372.68

Finding the Fourth Proportional to 1,223,227.35, 1,688,064.39 and 679,372.68

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Solution

The fourth proportional to 1,223,227.35, 1,688,064.39 and 679,372.68 is: 937,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,227.35 : 1,688,064.39 = 679,372.68 : x
  2. Step 2: Convert to fraction form
    1,223,227.35/1,688,064.39 = 679,372.68/x
  3. Step 3: Cross multiply
    1,223,227.35x = 1,688,064.39 × 679,372.68
  4. Step 4: Simplify right side
    1,223,227.35x = 1,146,824,828,646.87
  5. Step 5: Solve for x
    x = 1,146,824,828,646.87/1,223,227.35
  6. Step 6: Final answer
    x = 937,540.21

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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.