Home / 1,125,312.45-1,686,730.28-555,850.46

Finding the Fourth Proportional to 1,125,312.45, 1,686,730.28 and 555,850.46

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Solution

The fourth proportional to 1,125,312.45, 1,686,730.28 and 555,850.46 is: 833,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,312.45 : 1,686,730.28 = 555,850.46 : x
  2. Step 2: Convert to fraction form
    1,125,312.45/1,686,730.28 = 555,850.46/x
  3. Step 3: Cross multiply
    1,125,312.45x = 1,686,730.28 × 555,850.46
  4. Step 4: Simplify right side
    1,125,312.45x = 937,569,790,821.03
  5. Step 5: Solve for x
    x = 937,569,790,821.03/1,125,312.45
  6. Step 6: Final answer
    x = 833,163.97

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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.