Home / 890,921.24-1,336,779.22-410,890.94

Finding the Fourth Proportional to 890,921.24, 1,336,779.22 and 410,890.94

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Solution

The fourth proportional to 890,921.24, 1,336,779.22 and 410,890.94 is: 616,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,921.24 : 1,336,779.22 = 410,890.94 : x
  2. Step 2: Convert to fraction form
    890,921.24/1,336,779.22 = 410,890.94/x
  3. Step 3: Cross multiply
    890,921.24x = 1,336,779.22 × 410,890.94
  4. Step 4: Simplify right side
    890,921.24x = 549,270,470,278.27
  5. Step 5: Solve for x
    x = 549,270,470,278.27/890,921.24
  6. Step 6: Final answer
    x = 616,519.67

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1.5x scale

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.