Home / 1,757,803.77-2,636,433.67-678,158.86

Finding the Fourth Proportional to 1,757,803.77, 2,636,433.67 and 678,158.86

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Solution

The fourth proportional to 1,757,803.77, 2,636,433.67 and 678,158.86 is: 1,017,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,803.77 : 2,636,433.67 = 678,158.86 : x
  2. Step 2: Convert to fraction form
    1,757,803.77/2,636,433.67 = 678,158.86/x
  3. Step 3: Cross multiply
    1,757,803.77x = 2,636,433.67 × 678,158.86
  4. Step 4: Simplify right side
    1,757,803.77x = 1,787,920,852,112.82
  5. Step 5: Solve for x
    x = 1,787,920,852,112.82/1,757,803.77
  6. Step 6: Final answer
    x = 1,017,133.36

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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.