Home / 1,868,033.57-2,802,124.16-520,313.95

Finding the Fourth Proportional to 1,868,033.57, 2,802,124.16 and 520,313.95

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Solution

The fourth proportional to 1,868,033.57, 2,802,124.16 and 520,313.95 is: 780,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,033.57 : 2,802,124.16 = 520,313.95 : x
  2. Step 2: Convert to fraction form
    1,868,033.57/2,802,124.16 = 520,313.95/x
  3. Step 3: Cross multiply
    1,868,033.57x = 2,802,124.16 × 520,313.95
  4. Step 4: Simplify right side
    1,868,033.57x = 1,457,984,303,008.37
  5. Step 5: Solve for x
    x = 1,457,984,303,008.37/1,868,033.57
  6. Step 6: Final answer
    x = 780,491.49

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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.