Home / 1,205,442.72-1,808,412.72-395,888.16

Finding the Fourth Proportional to 1,205,442.72, 1,808,412.72 and 395,888.16

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Solution

The fourth proportional to 1,205,442.72, 1,808,412.72 and 395,888.16 is: 593,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,442.72 : 1,808,412.72 = 395,888.16 : x
  2. Step 2: Convert to fraction form
    1,205,442.72/1,808,412.72 = 395,888.16/x
  3. Step 3: Cross multiply
    1,205,442.72x = 1,808,412.72 × 395,888.16
  4. Step 4: Simplify right side
    1,205,442.72x = 715,929,184,241.40
  5. Step 5: Solve for x
    x = 715,929,184,241.40/1,205,442.72
  6. Step 6: Final answer
    x = 593,913.90

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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.