Home / 913,779.52-1,261,032.48-511,370.56

Finding the Fourth Proportional to 913,779.52, 1,261,032.48 and 511,370.56

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Solution

The fourth proportional to 913,779.52, 1,261,032.48 and 511,370.56 is: 705,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,779.52 : 1,261,032.48 = 511,370.56 : x
  2. Step 2: Convert to fraction form
    913,779.52/1,261,032.48 = 511,370.56/x
  3. Step 3: Cross multiply
    913,779.52x = 1,261,032.48 × 511,370.56
  4. Step 4: Simplify right side
    913,779.52x = 644,854,885,475.79
  5. Step 5: Solve for x
    x = 644,854,885,475.79/913,779.52
  6. Step 6: Final answer
    x = 705,700.74

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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.