Home / 1,406,521.45-2,109,536.18-395,403.05

Finding the Fourth Proportional to 1,406,521.45, 2,109,536.18 and 395,403.05

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Solution

The fourth proportional to 1,406,521.45, 2,109,536.18 and 395,403.05 is: 593,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,521.45 : 2,109,536.18 = 395,403.05 : x
  2. Step 2: Convert to fraction form
    1,406,521.45/2,109,536.18 = 395,403.05/x
  3. Step 3: Cross multiply
    1,406,521.45x = 2,109,536.18 × 395,403.05
  4. Step 4: Simplify right side
    1,406,521.45x = 834,117,038,597.08
  5. Step 5: Solve for x
    x = 834,117,038,597.08/1,406,521.45
  6. Step 6: Final answer
    x = 593,035.42

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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.