Home / 855,915.04-1,180,825.86-549,945.64

Finding the Fourth Proportional to 855,915.04, 1,180,825.86 and 549,945.64

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Solution

The fourth proportional to 855,915.04, 1,180,825.86 and 549,945.64 is: 758,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,915.04 : 1,180,825.86 = 549,945.64 : x
  2. Step 2: Convert to fraction form
    855,915.04/1,180,825.86 = 549,945.64/x
  3. Step 3: Cross multiply
    855,915.04x = 1,180,825.86 × 549,945.64
  4. Step 4: Simplify right side
    855,915.04x = 649,390,033,306.25
  5. Step 5: Solve for x
    x = 649,390,033,306.25/855,915.04
  6. Step 6: Final answer
    x = 758,708.52

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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.