Home / 1,223,096.85-1,687,929.71-679,235.06

Finding the Fourth Proportional to 1,223,096.85, 1,687,929.71 and 679,235.06

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Solution

The fourth proportional to 1,223,096.85, 1,687,929.71 and 679,235.06 is: 937,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,096.85 : 1,687,929.71 = 679,235.06 : x
  2. Step 2: Convert to fraction form
    1,223,096.85/1,687,929.71 = 679,235.06/x
  3. Step 3: Cross multiply
    1,223,096.85x = 1,687,929.71 × 679,235.06
  4. Step 4: Simplify right side
    1,223,096.85x = 1,146,501,038,671.28
  5. Step 5: Solve for x
    x = 1,146,501,038,671.28/1,223,096.85
  6. Step 6: Final answer
    x = 937,375.51

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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.