Home / 994,108.64-1,371,908.76-564,428.76

Finding the Fourth Proportional to 994,108.64, 1,371,908.76 and 564,428.76

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Solution

The fourth proportional to 994,108.64, 1,371,908.76 and 564,428.76 is: 778,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,108.64 : 1,371,908.76 = 564,428.76 : x
  2. Step 2: Convert to fraction form
    994,108.64/1,371,908.76 = 564,428.76/x
  3. Step 3: Cross multiply
    994,108.64x = 1,371,908.76 × 564,428.76
  4. Step 4: Simplify right side
    994,108.64x = 774,344,760,239.94
  5. Step 5: Solve for x
    x = 774,344,760,239.94/994,108.64
  6. Step 6: Final answer
    x = 778,933.74

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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.