Home / 1,010,384.80-1,515,577.20-411,037.45

Finding the Fourth Proportional to 1,010,384.80, 1,515,577.20 and 411,037.45

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Solution

The fourth proportional to 1,010,384.80, 1,515,577.20 and 411,037.45 is: 616,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,384.80 : 1,515,577.20 = 411,037.45 : x
  2. Step 2: Convert to fraction form
    1,010,384.80/1,515,577.20 = 411,037.45/x
  3. Step 3: Cross multiply
    1,010,384.80x = 1,515,577.20 × 411,037.45
  4. Step 4: Simplify right side
    1,010,384.80x = 622,958,987,566.14
  5. Step 5: Solve for x
    x = 622,958,987,566.14/1,010,384.80
  6. Step 6: Final answer
    x = 616,556.18

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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.