Home / 1,679,431.76-2,518,659.59-654,533.93

Finding the Fourth Proportional to 1,679,431.76, 2,518,659.59 and 654,533.93

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Solution

The fourth proportional to 1,679,431.76, 2,518,659.59 and 654,533.93 is: 981,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,431.76 : 2,518,659.59 = 654,533.93 : x
  2. Step 2: Convert to fraction form
    1,679,431.76/2,518,659.59 = 654,533.93/x
  3. Step 3: Cross multiply
    1,679,431.76x = 2,518,659.59 × 654,533.93
  4. Step 4: Simplify right side
    1,679,431.76x = 1,648,548,159,774.89
  5. Step 5: Solve for x
    x = 1,648,548,159,774.89/1,679,431.76
  6. Step 6: Final answer
    x = 981,610.68

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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.