Home / 1,326,259.79-1,987,359.20-892,370.14

Finding the Fourth Proportional to 1,326,259.79, 1,987,359.20 and 892,370.14

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Solution

The fourth proportional to 1,326,259.79, 1,987,359.20 and 892,370.14 is: 1,337,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,259.79 : 1,987,359.20 = 892,370.14 : x
  2. Step 2: Convert to fraction form
    1,326,259.79/1,987,359.20 = 892,370.14/x
  3. Step 3: Cross multiply
    1,326,259.79x = 1,987,359.20 × 892,370.14
  4. Step 4: Simplify right side
    1,326,259.79x = 1,773,459,997,597.49
  5. Step 5: Solve for x
    x = 1,773,459,997,597.49/1,326,259.79
  6. Step 6: Final answer
    x = 1,337,189.00

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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.