Home / 612,916.58-919,177.02-223,367.54

Finding the Fourth Proportional to 612,916.58, 919,177.02 and 223,367.54

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Solution

The fourth proportional to 612,916.58, 919,177.02 and 223,367.54 is: 334,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,916.58 : 919,177.02 = 223,367.54 : x
  2. Step 2: Convert to fraction form
    612,916.58/919,177.02 = 223,367.54/x
  3. Step 3: Cross multiply
    612,916.58x = 919,177.02 × 223,367.54
  4. Step 4: Simplify right side
    612,916.58x = 205,314,305,186.05
  5. Step 5: Solve for x
    x = 205,314,305,186.05/612,916.58
  6. Step 6: Final answer
    x = 334,979.20

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1.5x scale

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.