Home / 740,020.60-1,110,030.90-207,631.90

Finding the Fourth Proportional to 740,020.60, 1,110,030.90 and 207,631.90

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Solution

The fourth proportional to 740,020.60, 1,110,030.90 and 207,631.90 is: 311,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,020.60 : 1,110,030.90 = 207,631.90 : x
  2. Step 2: Convert to fraction form
    740,020.60/1,110,030.90 = 207,631.90/x
  3. Step 3: Cross multiply
    740,020.60x = 1,110,030.90 × 207,631.90
  4. Step 4: Simplify right side
    740,020.60x = 230,477,824,825.71
  5. Step 5: Solve for x
    x = 230,477,824,825.71/740,020.60
  6. Step 6: Final answer
    x = 311,447.85

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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.