Home / 1,583,457.43-2,185,112.70-858,289.57

Finding the Fourth Proportional to 1,583,457.43, 2,185,112.70 and 858,289.57

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Solution

The fourth proportional to 1,583,457.43, 2,185,112.70 and 858,289.57 is: 1,184,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,457.43 : 2,185,112.70 = 858,289.57 : x
  2. Step 2: Convert to fraction form
    1,583,457.43/2,185,112.70 = 858,289.57/x
  3. Step 3: Cross multiply
    1,583,457.43x = 2,185,112.70 × 858,289.57
  4. Step 4: Simplify right side
    1,583,457.43x = 1,875,459,439,684.54
  5. Step 5: Solve for x
    x = 1,875,459,439,684.54/1,583,457.43
  6. Step 6: Final answer
    x = 1,184,407.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.