Home / 1,285,182.45-1,773,622.37-712,210.32

Finding the Fourth Proportional to 1,285,182.45, 1,773,622.37 and 712,210.32

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Solution

The fourth proportional to 1,285,182.45, 1,773,622.37 and 712,210.32 is: 982,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,182.45 : 1,773,622.37 = 712,210.32 : x
  2. Step 2: Convert to fraction form
    1,285,182.45/1,773,622.37 = 712,210.32/x
  3. Step 3: Cross multiply
    1,285,182.45x = 1,773,622.37 × 712,210.32
  4. Step 4: Simplify right side
    1,285,182.45x = 1,263,192,157,477.38
  5. Step 5: Solve for x
    x = 1,263,192,157,477.38/1,285,182.45
  6. Step 6: Final answer
    x = 982,889.36

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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.