Home / 876,788.94-1,315,072.53-277,810.86

Finding the Fourth Proportional to 876,788.94, 1,315,072.53 and 277,810.86

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Solution

The fourth proportional to 876,788.94, 1,315,072.53 and 277,810.86 is: 416,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,788.94 : 1,315,072.53 = 277,810.86 : x
  2. Step 2: Convert to fraction form
    876,788.94/1,315,072.53 = 277,810.86/x
  3. Step 3: Cross multiply
    876,788.94x = 1,315,072.53 × 277,810.86
  4. Step 4: Simplify right side
    876,788.94x = 365,341,430,521.68
  5. Step 5: Solve for x
    x = 365,341,430,521.68/876,788.94
  6. Step 6: Final answer
    x = 416,681.16

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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.