Home / 2,829,055.86-4,243,587.30-699,107.40

Finding the Fourth Proportional to 2,829,055.86, 4,243,587.30 and 699,107.40

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Solution

The fourth proportional to 2,829,055.86, 4,243,587.30 and 699,107.40 is: 1,048,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829,055.86 : 4,243,587.30 = 699,107.40 : x
  2. Step 2: Convert to fraction form
    2,829,055.86/4,243,587.30 = 699,107.40/x
  3. Step 3: Cross multiply
    2,829,055.86x = 4,243,587.30 × 699,107.40
  4. Step 4: Simplify right side
    2,829,055.86x = 2,966,723,283,976.02
  5. Step 5: Solve for x
    x = 2,966,723,283,976.02/2,829,055.86
  6. Step 6: Final answer
    x = 1,048,661.97

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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.