Home / 1,290,698.12-1,936,580.16-570,661.58

Finding the Fourth Proportional to 1,290,698.12, 1,936,580.16 and 570,661.58

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Solution

The fourth proportional to 1,290,698.12, 1,936,580.16 and 570,661.58 is: 856,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,698.12 : 1,936,580.16 = 570,661.58 : x
  2. Step 2: Convert to fraction form
    1,290,698.12/1,936,580.16 = 570,661.58/x
  3. Step 3: Cross multiply
    1,290,698.12x = 1,936,580.16 × 570,661.58
  4. Step 4: Simplify right side
    1,290,698.12x = 1,105,131,893,902.25
  5. Step 5: Solve for x
    x = 1,105,131,893,902.25/1,290,698.12
  6. Step 6: Final answer
    x = 856,228.02

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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.