Home / 1,219,308.86-1,830,098.12-620,718.14

Finding the Fourth Proportional to 1,219,308.86, 1,830,098.12 and 620,718.14

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Solution

The fourth proportional to 1,219,308.86, 1,830,098.12 and 620,718.14 is: 931,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,308.86 : 1,830,098.12 = 620,718.14 : x
  2. Step 2: Convert to fraction form
    1,219,308.86/1,830,098.12 = 620,718.14/x
  3. Step 3: Cross multiply
    1,219,308.86x = 1,830,098.12 × 620,718.14
  4. Step 4: Simplify right side
    1,219,308.86x = 1,135,975,102,535.55
  5. Step 5: Solve for x
    x = 1,135,975,102,535.55/1,219,308.86
  6. Step 6: Final answer
    x = 931,654.92

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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.