Home / 1,114,695-1,538,565.30-679,407.48

Finding the Fourth Proportional to 1,114,695, 1,538,565.30 and 679,407.48

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Solution

The fourth proportional to 1,114,695, 1,538,565.30 and 679,407.48 is: 937,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,695 : 1,538,565.30 = 679,407.48 : x
  2. Step 2: Convert to fraction form
    1,114,695/1,538,565.30 = 679,407.48/x
  3. Step 3: Cross multiply
    1,114,695x = 1,538,565.30 × 679,407.48
  4. Step 4: Simplify right side
    1,114,695x = 1,045,312,773,288.44
  5. Step 5: Solve for x
    x = 1,045,312,773,288.44/1,114,695
  6. Step 6: Final answer
    x = 937,756.76

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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.