Home / 1,826,507.32-2,739,779.76-815,680.72

Finding the Fourth Proportional to 1,826,507.32, 2,739,779.76 and 815,680.72

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Solution

The fourth proportional to 1,826,507.32, 2,739,779.76 and 815,680.72 is: 1,223,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,507.32 : 2,739,779.76 = 815,680.72 : x
  2. Step 2: Convert to fraction form
    1,826,507.32/2,739,779.76 = 815,680.72/x
  3. Step 3: Cross multiply
    1,826,507.32x = 2,739,779.76 × 815,680.72
  4. Step 4: Simplify right side
    1,826,507.32x = 2,234,785,527,278.23
  5. Step 5: Solve for x
    x = 2,234,785,527,278.23/1,826,507.32
  6. Step 6: Final answer
    x = 1,223,529.47

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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.