Home / 1,256,957.12-1,885,439.52-310,327.94

Finding the Fourth Proportional to 1,256,957.12, 1,885,439.52 and 310,327.94

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Solution

The fourth proportional to 1,256,957.12, 1,885,439.52 and 310,327.94 is: 465,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,957.12 : 1,885,439.52 = 310,327.94 : x
  2. Step 2: Convert to fraction form
    1,256,957.12/1,885,439.52 = 310,327.94/x
  3. Step 3: Cross multiply
    1,256,957.12x = 1,885,439.52 × 310,327.94
  4. Step 4: Simplify right side
    1,256,957.12x = 585,104,562,236.19
  5. Step 5: Solve for x
    x = 585,104,562,236.19/1,256,957.12
  6. Step 6: Final answer
    x = 465,492.86

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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.