Home / 1,229,945.63-1,697,327.70-686,116.64

Finding the Fourth Proportional to 1,229,945.63, 1,697,327.70 and 686,116.64

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Solution

The fourth proportional to 1,229,945.63, 1,697,327.70 and 686,116.64 is: 946,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,945.63 : 1,697,327.70 = 686,116.64 : x
  2. Step 2: Convert to fraction form
    1,229,945.63/1,697,327.70 = 686,116.64/x
  3. Step 3: Cross multiply
    1,229,945.63x = 1,697,327.70 × 686,116.64
  4. Step 4: Simplify right side
    1,229,945.63x = 1,164,564,766,585.71
  5. Step 5: Solve for x
    x = 1,164,564,766,585.71/1,229,945.63
  6. Step 6: Final answer
    x = 946,842.48

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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.