Home / 1,223,224.34-1,688,060.25-679,369.68

Finding the Fourth Proportional to 1,223,224.34, 1,688,060.25 and 679,369.68

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Solution

The fourth proportional to 1,223,224.34, 1,688,060.25 and 679,369.68 is: 937,536.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,224.34 : 1,688,060.25 = 679,369.68 : x
  2. Step 2: Convert to fraction form
    1,223,224.34/1,688,060.25 = 679,369.68/x
  3. Step 3: Cross multiply
    1,223,224.34x = 1,688,060.25 × 679,369.68
  4. Step 4: Simplify right side
    1,223,224.34x = 1,146,816,951,863.22
  5. Step 5: Solve for x
    x = 1,146,816,951,863.22/1,223,224.34
  6. Step 6: Final answer
    x = 937,536.08

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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.