Home / 1,221,466.10-1,685,825.33-677,777.00

Finding the Fourth Proportional to 1,221,466.10, 1,685,825.33 and 677,777.00

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Solution

The fourth proportional to 1,221,466.10, 1,685,825.33 and 677,777.00 is: 935,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,466.10 : 1,685,825.33 = 677,777.00 : x
  2. Step 2: Convert to fraction form
    1,221,466.10/1,685,825.33 = 677,777.00/x
  3. Step 3: Cross multiply
    1,221,466.10x = 1,685,825.33 × 677,777.00
  4. Step 4: Simplify right side
    1,221,466.10x = 1,142,613,622,873.40
  5. Step 5: Solve for x
    x = 1,142,613,622,873.40/1,221,466.10
  6. Step 6: Final answer
    x = 935,444.40

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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.