Home / 979,299.93-1,351,096.41-549,520.41

Finding the Fourth Proportional to 979,299.93, 1,351,096.41 and 549,520.41

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Solution

The fourth proportional to 979,299.93, 1,351,096.41 and 549,520.41 is: 758,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,299.93 : 1,351,096.41 = 549,520.41 : x
  2. Step 2: Convert to fraction form
    979,299.93/1,351,096.41 = 549,520.41/x
  3. Step 3: Cross multiply
    979,299.93x = 1,351,096.41 × 549,520.41
  4. Step 4: Simplify right side
    979,299.93x = 742,455,053,172.73
  5. Step 5: Solve for x
    x = 742,455,053,172.73/979,299.93
  6. Step 6: Final answer
    x = 758,148.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.