Home / 1,217,950.35-1,680,775.07-674,123.91

Finding the Fourth Proportional to 1,217,950.35, 1,680,775.07 and 674,123.91

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Solution

The fourth proportional to 1,217,950.35, 1,680,775.07 and 674,123.91 is: 930,292.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,950.35 : 1,680,775.07 = 674,123.91 : x
  2. Step 2: Convert to fraction form
    1,217,950.35/1,680,775.07 = 674,123.91/x
  3. Step 3: Cross multiply
    1,217,950.35x = 1,680,775.07 × 674,123.91
  4. Step 4: Simplify right side
    1,217,950.35x = 1,133,050,662,018.92
  5. Step 5: Solve for x
    x = 1,133,050,662,018.92/1,217,950.35
  6. Step 6: Final answer
    x = 930,292.98

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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.