Home / 1,223,559.98-1,688,511.88-679,746.63

Finding the Fourth Proportional to 1,223,559.98, 1,688,511.88 and 679,746.63

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Solution

The fourth proportional to 1,223,559.98, 1,688,511.88 and 679,746.63 is: 938,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,559.98 : 1,688,511.88 = 679,746.63 : x
  2. Step 2: Convert to fraction form
    1,223,559.98/1,688,511.88 = 679,746.63/x
  3. Step 3: Cross multiply
    1,223,559.98x = 1,688,511.88 × 679,746.63
  4. Step 4: Simplify right side
    1,223,559.98x = 1,147,760,260,144.96
  5. Step 5: Solve for x
    x = 1,147,760,260,144.96/1,223,559.98
  6. Step 6: Final answer
    x = 938,049.85

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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.