Home / 1,223,882.14-1,688,951.90-680,106.46

Finding the Fourth Proportional to 1,223,882.14, 1,688,951.90 and 680,106.46

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Solution

The fourth proportional to 1,223,882.14, 1,688,951.90 and 680,106.46 is: 938,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,882.14 : 1,688,951.90 = 680,106.46 : x
  2. Step 2: Convert to fraction form
    1,223,882.14/1,688,951.90 = 680,106.46/x
  3. Step 3: Cross multiply
    1,223,882.14x = 1,688,951.90 × 680,106.46
  4. Step 4: Simplify right side
    1,223,882.14x = 1,148,667,097,819.27
  5. Step 5: Solve for x
    x = 1,148,667,097,819.27/1,223,882.14
  6. Step 6: Final answer
    x = 938,543.88

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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.