Home / 1,223,607.06-1,688,576.22-679,793.04

Finding the Fourth Proportional to 1,223,607.06, 1,688,576.22 and 679,793.04

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Solution

The fourth proportional to 1,223,607.06, 1,688,576.22 and 679,793.04 is: 938,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,607.06 : 1,688,576.22 = 679,793.04 : x
  2. Step 2: Convert to fraction form
    1,223,607.06/1,688,576.22 = 679,793.04/x
  3. Step 3: Cross multiply
    1,223,607.06x = 1,688,576.22 × 679,793.04
  4. Step 4: Simplify right side
    1,223,607.06x = 1,147,882,361,865.51
  5. Step 5: Solve for x
    x = 1,147,882,361,865.51/1,223,607.06
  6. Step 6: Final answer
    x = 938,113.55

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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.