Home / 1,240,063.63-1,860,185.66-519,682.23

Finding the Fourth Proportional to 1,240,063.63, 1,860,185.66 and 519,682.23

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Solution

The fourth proportional to 1,240,063.63, 1,860,185.66 and 519,682.23 is: 779,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,063.63 : 1,860,185.66 = 519,682.23 : x
  2. Step 2: Convert to fraction form
    1,240,063.63/1,860,185.66 = 519,682.23/x
  3. Step 3: Cross multiply
    1,240,063.63x = 1,860,185.66 × 519,682.23
  4. Step 4: Simplify right side
    1,240,063.63x = 966,705,429,404.41
  5. Step 5: Solve for x
    x = 966,705,429,404.41/1,240,063.63
  6. Step 6: Final answer
    x = 779,561.15

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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.