Home / 912,598.48-1,367,932.40-343,733.45

Finding the Fourth Proportional to 912,598.48, 1,367,932.40 and 343,733.45

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Solution

The fourth proportional to 912,598.48, 1,367,932.40 and 343,733.45 is: 515,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,598.48 : 1,367,932.40 = 343,733.45 : x
  2. Step 2: Convert to fraction form
    912,598.48/1,367,932.40 = 343,733.45/x
  3. Step 3: Cross multiply
    912,598.48x = 1,367,932.40 × 343,733.45
  4. Step 4: Simplify right side
    912,598.48x = 470,204,123,218.78
  5. Step 5: Solve for x
    x = 470,204,123,218.78/912,598.48
  6. Step 6: Final answer
    x = 515,236.58

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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.