Home / 1,022,751.36-1,534,187.52-312,828.48

Finding the Fourth Proportional to 1,022,751.36, 1,534,187.52 and 312,828.48

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Solution

The fourth proportional to 1,022,751.36, 1,534,187.52 and 312,828.48 is: 469,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,751.36 : 1,534,187.52 = 312,828.48 : x
  2. Step 2: Convert to fraction form
    1,022,751.36/1,534,187.52 = 312,828.48/x
  3. Step 3: Cross multiply
    1,022,751.36x = 1,534,187.52 × 312,828.48
  4. Step 4: Simplify right side
    1,022,751.36x = 479,937,549,916.57
  5. Step 5: Solve for x
    x = 479,937,549,916.57/1,022,751.36
  6. Step 6: Final answer
    x = 469,261.22

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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.