Home / 1,347,336.10-2,021,004.15-673,521.40

Finding the Fourth Proportional to 1,347,336.10, 2,021,004.15 and 673,521.40

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Solution

The fourth proportional to 1,347,336.10, 2,021,004.15 and 673,521.40 is: 1,010,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,336.10 : 2,021,004.15 = 673,521.40 : x
  2. Step 2: Convert to fraction form
    1,347,336.10/2,021,004.15 = 673,521.40/x
  3. Step 3: Cross multiply
    1,347,336.10x = 2,021,004.15 × 673,521.40
  4. Step 4: Simplify right side
    1,347,336.10x = 1,361,189,544,513.81
  5. Step 5: Solve for x
    x = 1,361,189,544,513.81/1,347,336.10
  6. Step 6: Final answer
    x = 1,010,282.10

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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.