Home / 1,006,648.84-1,509,778.34-391,151.76

Finding the Fourth Proportional to 1,006,648.84, 1,509,778.34 and 391,151.76

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Solution

The fourth proportional to 1,006,648.84, 1,509,778.34 and 391,151.76 is: 586,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,648.84 : 1,509,778.34 = 391,151.76 : x
  2. Step 2: Convert to fraction form
    1,006,648.84/1,509,778.34 = 391,151.76/x
  3. Step 3: Cross multiply
    1,006,648.84x = 1,509,778.34 × 391,151.76
  4. Step 4: Simplify right side
    1,006,648.84x = 590,552,454,900.88
  5. Step 5: Solve for x
    x = 590,552,454,900.88/1,006,648.84
  6. Step 6: Final answer
    x = 586,651.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.