Home / 535,927.74-739,552.44-318,145.47

Finding the Fourth Proportional to 535,927.74, 739,552.44 and 318,145.47

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Solution

The fourth proportional to 535,927.74, 739,552.44 and 318,145.47 is: 439,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,927.74 : 739,552.44 = 318,145.47 : x
  2. Step 2: Convert to fraction form
    535,927.74/739,552.44 = 318,145.47/x
  3. Step 3: Cross multiply
    535,927.74x = 739,552.44 × 318,145.47
  4. Step 4: Simplify right side
    535,927.74x = 235,285,258,613.45
  5. Step 5: Solve for x
    x = 235,285,258,613.45/535,927.74
  6. Step 6: Final answer
    x = 439,024.22

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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.