Home / 1,869,235.22-2,803,916.01-521,430.86

Finding the Fourth Proportional to 1,869,235.22, 2,803,916.01 and 521,430.86

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Solution

The fourth proportional to 1,869,235.22, 2,803,916.01 and 521,430.86 is: 782,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,235.22 : 2,803,916.01 = 521,430.86 : x
  2. Step 2: Convert to fraction form
    1,869,235.22/2,803,916.01 = 521,430.86/x
  3. Step 3: Cross multiply
    1,869,235.22x = 2,803,916.01 × 521,430.86
  4. Step 4: Simplify right side
    1,869,235.22x = 1,462,048,336,462.07
  5. Step 5: Solve for x
    x = 1,462,048,336,462.07/1,869,235.22
  6. Step 6: Final answer
    x = 782,163.91

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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.