Home / 1,900,830.54-2,851,007.88-621,330.96

Finding the Fourth Proportional to 1,900,830.54, 2,851,007.88 and 621,330.96

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Solution

The fourth proportional to 1,900,830.54, 2,851,007.88 and 621,330.96 is: 931,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,830.54 : 2,851,007.88 = 621,330.96 : x
  2. Step 2: Convert to fraction form
    1,900,830.54/2,851,007.88 = 621,330.96/x
  3. Step 3: Cross multiply
    1,900,830.54x = 2,851,007.88 × 621,330.96
  4. Step 4: Simplify right side
    1,900,830.54x = 1,771,419,463,047.96
  5. Step 5: Solve for x
    x = 1,771,419,463,047.96/1,900,830.54
  6. Step 6: Final answer
    x = 931,918.67

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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.