Home / 934,006.95-1,288,547.19-689,576.49

Finding the Fourth Proportional to 934,006.95, 1,288,547.19 and 689,576.49

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Solution

The fourth proportional to 934,006.95, 1,288,547.19 and 689,576.49 is: 951,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,006.95 : 1,288,547.19 = 689,576.49 : x
  2. Step 2: Convert to fraction form
    934,006.95/1,288,547.19 = 689,576.49/x
  3. Step 3: Cross multiply
    934,006.95x = 1,288,547.19 × 689,576.49
  4. Step 4: Simplify right side
    934,006.95x = 888,551,848,479.56
  5. Step 5: Solve for x
    x = 888,551,848,479.56/934,006.95
  6. Step 6: Final answer
    x = 951,333.23

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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.