Home / 1,656,400.37-2,484,631.69-519,137.39

Finding the Fourth Proportional to 1,656,400.37, 2,484,631.69 and 519,137.39

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Solution

The fourth proportional to 1,656,400.37, 2,484,631.69 and 519,137.39 is: 778,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,400.37 : 2,484,631.69 = 519,137.39 : x
  2. Step 2: Convert to fraction form
    1,656,400.37/2,484,631.69 = 519,137.39/x
  3. Step 3: Cross multiply
    1,656,400.37x = 2,484,631.69 × 519,137.39
  4. Step 4: Simplify right side
    1,656,400.37x = 1,289,865,215,571.63
  5. Step 5: Solve for x
    x = 1,289,865,215,571.63/1,656,400.37
  6. Step 6: Final answer
    x = 778,715.85

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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.