Home / 1,319,521.08-1,979,150.37-609,538.86

Finding the Fourth Proportional to 1,319,521.08, 1,979,150.37 and 609,538.86

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Solution

The fourth proportional to 1,319,521.08, 1,979,150.37 and 609,538.86 is: 914,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,521.08 : 1,979,150.37 = 609,538.86 : x
  2. Step 2: Convert to fraction form
    1,319,521.08/1,979,150.37 = 609,538.86/x
  3. Step 3: Cross multiply
    1,319,521.08x = 1,979,150.37 × 609,538.86
  4. Step 4: Simplify right side
    1,319,521.08x = 1,206,369,060,298.38
  5. Step 5: Solve for x
    x = 1,206,369,060,298.38/1,319,521.08
  6. Step 6: Final answer
    x = 914,247.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.