Home / 876,144.93-1,209,627.36-671,803.29

Finding the Fourth Proportional to 876,144.93, 1,209,627.36 and 671,803.29

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Solution

The fourth proportional to 876,144.93, 1,209,627.36 and 671,803.29 is: 927,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,144.93 : 1,209,627.36 = 671,803.29 : x
  2. Step 2: Convert to fraction form
    876,144.93/1,209,627.36 = 671,803.29/x
  3. Step 3: Cross multiply
    876,144.93x = 1,209,627.36 × 671,803.29
  4. Step 4: Simplify right side
    876,144.93x = 812,631,640,122.02
  5. Step 5: Solve for x
    x = 812,631,640,122.02/876,144.93
  6. Step 6: Final answer
    x = 927,508.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.