Home / 853,891.52-1,178,913.76-532,074.40

Finding the Fourth Proportional to 853,891.52, 1,178,913.76 and 532,074.40

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Solution

The fourth proportional to 853,891.52, 1,178,913.76 and 532,074.40 is: 734,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,891.52 : 1,178,913.76 = 532,074.40 : x
  2. Step 2: Convert to fraction form
    853,891.52/1,178,913.76 = 532,074.40/x
  3. Step 3: Cross multiply
    853,891.52x = 1,178,913.76 × 532,074.40
  4. Step 4: Simplify right side
    853,891.52x = 627,269,831,503.74
  5. Step 5: Solve for x
    x = 627,269,831,503.74/853,891.52
  6. Step 6: Final answer
    x = 734,601.31

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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.