Home / 942,779.98-1,301,017.80-513,067.42

Finding the Fourth Proportional to 942,779.98, 1,301,017.80 and 513,067.42

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Solution

The fourth proportional to 942,779.98, 1,301,017.80 and 513,067.42 is: 708,022.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,779.98 : 1,301,017.80 = 513,067.42 : x
  2. Step 2: Convert to fraction form
    942,779.98/1,301,017.80 = 513,067.42/x
  3. Step 3: Cross multiply
    942,779.98x = 1,301,017.80 × 513,067.42
  4. Step 4: Simplify right side
    942,779.98x = 667,509,846,020.08
  5. Step 5: Solve for x
    x = 667,509,846,020.08/942,779.98
  6. Step 6: Final answer
    x = 708,022.93

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1.5x scale

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.