Home / 853,558.83-1,177,541.15-513,830.25

Finding the Fourth Proportional to 853,558.83, 1,177,541.15 and 513,830.25

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Solution

The fourth proportional to 853,558.83, 1,177,541.15 and 513,830.25 is: 708,862.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,558.83 : 1,177,541.15 = 513,830.25 : x
  2. Step 2: Convert to fraction form
    853,558.83/1,177,541.15 = 513,830.25/x
  3. Step 3: Cross multiply
    853,558.83x = 1,177,541.15 × 513,830.25
  4. Step 4: Simplify right side
    853,558.83x = 605,056,260,920.64
  5. Step 5: Solve for x
    x = 605,056,260,920.64/853,558.83
  6. Step 6: Final answer
    x = 708,862.99

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1.5x scale

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.