Home / 1,025,971.56-1,539,034.70-306,256.42

Finding the Fourth Proportional to 1,025,971.56, 1,539,034.70 and 306,256.42

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Solution

The fourth proportional to 1,025,971.56, 1,539,034.70 and 306,256.42 is: 459,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,971.56 : 1,539,034.70 = 306,256.42 : x
  2. Step 2: Convert to fraction form
    1,025,971.56/1,539,034.70 = 306,256.42/x
  3. Step 3: Cross multiply
    1,025,971.56x = 1,539,034.70 × 306,256.42
  4. Step 4: Simplify right side
    1,025,971.56x = 471,339,257,477.77
  5. Step 5: Solve for x
    x = 471,339,257,477.77/1,025,971.56
  6. Step 6: Final answer
    x = 459,407.72

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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.