Home / 1,257,765.64-1,735,678.65-698,958.11

Finding the Fourth Proportional to 1,257,765.64, 1,735,678.65 and 698,958.11

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Solution

The fourth proportional to 1,257,765.64, 1,735,678.65 and 698,958.11 is: 964,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,765.64 : 1,735,678.65 = 698,958.11 : x
  2. Step 2: Convert to fraction form
    1,257,765.64/1,735,678.65 = 698,958.11/x
  3. Step 3: Cross multiply
    1,257,765.64x = 1,735,678.65 × 698,958.11
  4. Step 4: Simplify right side
    1,257,765.64x = 1,213,166,673,110.55
  5. Step 5: Solve for x
    x = 1,213,166,673,110.55/1,257,765.64
  6. Step 6: Final answer
    x = 964,541.12

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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.