Home / 1,868,129.24-2,802,196.58-520,295.72

Finding the Fourth Proportional to 1,868,129.24, 2,802,196.58 and 520,295.72

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Solution

The fourth proportional to 1,868,129.24, 2,802,196.58 and 520,295.72 is: 780,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,129.24 : 2,802,196.58 = 520,295.72 : x
  2. Step 2: Convert to fraction form
    1,868,129.24/2,802,196.58 = 520,295.72/x
  3. Step 3: Cross multiply
    1,868,129.24x = 2,802,196.58 × 520,295.72
  4. Step 4: Simplify right side
    1,868,129.24x = 1,457,970,870,560.18
  5. Step 5: Solve for x
    x = 1,457,970,870,560.18/1,868,129.24
  6. Step 6: Final answer
    x = 780,444.33

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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.