Home / 1,630,826.18-2,250,478.52-905,720.60

Finding the Fourth Proportional to 1,630,826.18, 2,250,478.52 and 905,720.60

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Solution

The fourth proportional to 1,630,826.18, 2,250,478.52 and 905,720.60 is: 1,249,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,826.18 : 2,250,478.52 = 905,720.60 : x
  2. Step 2: Convert to fraction form
    1,630,826.18/2,250,478.52 = 905,720.60/x
  3. Step 3: Cross multiply
    1,630,826.18x = 2,250,478.52 × 905,720.60
  4. Step 4: Simplify right side
    1,630,826.18x = 2,038,304,739,640.52
  5. Step 5: Solve for x
    x = 2,038,304,739,640.52/1,630,826.18
  6. Step 6: Final answer
    x = 1,249,860.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.