Home / 990,020.23-1,482,518.40-829,674.52

Finding the Fourth Proportional to 990,020.23, 1,482,518.40 and 829,674.52

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Solution

The fourth proportional to 990,020.23, 1,482,518.40 and 829,674.52 is: 1,242,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,020.23 : 1,482,518.40 = 829,674.52 : x
  2. Step 2: Convert to fraction form
    990,020.23/1,482,518.40 = 829,674.52/x
  3. Step 3: Cross multiply
    990,020.23x = 1,482,518.40 × 829,674.52
  4. Step 4: Simplify right side
    990,020.23x = 1,230,007,741,911.17
  5. Step 5: Solve for x
    x = 1,230,007,741,911.17/990,020.23
  6. Step 6: Final answer
    x = 1,242,406.67

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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.