Home / 648,330.44-895,170.14-419,023.48

Finding the Fourth Proportional to 648,330.44, 895,170.14 and 419,023.48

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Solution

The fourth proportional to 648,330.44, 895,170.14 and 419,023.48 is: 578,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,330.44 : 895,170.14 = 419,023.48 : x
  2. Step 2: Convert to fraction form
    648,330.44/895,170.14 = 419,023.48/x
  3. Step 3: Cross multiply
    648,330.44x = 895,170.14 × 419,023.48
  4. Step 4: Simplify right side
    648,330.44x = 375,097,307,254.89
  5. Step 5: Solve for x
    x = 375,097,307,254.89/648,330.44
  6. Step 6: Final answer
    x = 578,558.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.