Home / 912,597.48-1,367,930.90-343,732.45

Finding the Fourth Proportional to 912,597.48, 1,367,930.90 and 343,732.45

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Solution

The fourth proportional to 912,597.48, 1,367,930.90 and 343,732.45 is: 515,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,597.48 : 1,367,930.90 = 343,732.45 : x
  2. Step 2: Convert to fraction form
    912,597.48/1,367,930.90 = 343,732.45/x
  3. Step 3: Cross multiply
    912,597.48x = 1,367,930.90 × 343,732.45
  4. Step 4: Simplify right side
    912,597.48x = 470,202,243,532.82
  5. Step 5: Solve for x
    x = 470,202,243,532.82/912,597.48
  6. Step 6: Final answer
    x = 515,235.09

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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.