Home / 1,223,433.80-1,688,281.50-679,604.60

Finding the Fourth Proportional to 1,223,433.80, 1,688,281.50 and 679,604.60

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Solution

The fourth proportional to 1,223,433.80, 1,688,281.50 and 679,604.60 is: 937,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,433.80 : 1,688,281.50 = 679,604.60 : x
  2. Step 2: Convert to fraction form
    1,223,433.80/1,688,281.50 = 679,604.60/x
  3. Step 3: Cross multiply
    1,223,433.80x = 1,688,281.50 × 679,604.60
  4. Step 4: Simplify right side
    1,223,433.80x = 1,147,363,873,494.90
  5. Step 5: Solve for x
    x = 1,147,363,873,494.90/1,223,433.80
  6. Step 6: Final answer
    x = 937,822.61

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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.