Home / 994,111.64-1,371,912.90-564,431.78

Finding the Fourth Proportional to 994,111.64, 1,371,912.90 and 564,431.78

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Solution

The fourth proportional to 994,111.64, 1,371,912.90 and 564,431.78 is: 778,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,111.64 : 1,371,912.90 = 564,431.78 : x
  2. Step 2: Convert to fraction form
    994,111.64/1,371,912.90 = 564,431.78/x
  3. Step 3: Cross multiply
    994,111.64x = 1,371,912.90 × 564,431.78
  4. Step 4: Simplify right side
    994,111.64x = 774,351,240,151.96
  5. Step 5: Solve for x
    x = 774,351,240,151.96/994,111.64
  6. Step 6: Final answer
    x = 778,937.91

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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.