Home / 1,417,408-2,125,927.36-406,489.12

Finding the Fourth Proportional to 1,417,408, 2,125,927.36 and 406,489.12

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Solution

The fourth proportional to 1,417,408, 2,125,927.36 and 406,489.12 is: 609,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,408 : 2,125,927.36 = 406,489.12 : x
  2. Step 2: Convert to fraction form
    1,417,408/2,125,927.36 = 406,489.12/x
  3. Step 3: Cross multiply
    1,417,408x = 2,125,927.36 × 406,489.12
  4. Step 4: Simplify right side
    1,417,408x = 864,166,341,750.32
  5. Step 5: Solve for x
    x = 864,166,341,750.32/1,417,408
  6. Step 6: Final answer
    x = 609,680.73

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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.