Home / 1,411,509.42-2,116,074.04-612,189.16

Finding the Fourth Proportional to 1,411,509.42, 2,116,074.04 and 612,189.16

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Solution

The fourth proportional to 1,411,509.42, 2,116,074.04 and 612,189.16 is: 917,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,509.42 : 2,116,074.04 = 612,189.16 : x
  2. Step 2: Convert to fraction form
    1,411,509.42/2,116,074.04 = 612,189.16/x
  3. Step 3: Cross multiply
    1,411,509.42x = 2,116,074.04 × 612,189.16
  4. Step 4: Simplify right side
    1,411,509.42x = 1,295,437,589,045.41
  5. Step 5: Solve for x
    x = 1,295,437,589,045.41/1,411,509.42
  6. Step 6: Final answer
    x = 917,767.58

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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.