Home / 751,289.32-1,125,064.59-525,592.97

Finding the Fourth Proportional to 751,289.32, 1,125,064.59 and 525,592.97

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Solution

The fourth proportional to 751,289.32, 1,125,064.59 and 525,592.97 is: 787,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,289.32 : 1,125,064.59 = 525,592.97 : x
  2. Step 2: Convert to fraction form
    751,289.32/1,125,064.59 = 525,592.97/x
  3. Step 3: Cross multiply
    751,289.32x = 1,125,064.59 × 525,592.97
  4. Step 4: Simplify right side
    751,289.32x = 591,326,039,299.93
  5. Step 5: Solve for x
    x = 591,326,039,299.93/751,289.32
  6. Step 6: Final answer
    x = 787,081.65

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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.