Home / 717,777.16-1,076,823.36-212,298.64

Finding the Fourth Proportional to 717,777.16, 1,076,823.36 and 212,298.64

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Solution

The fourth proportional to 717,777.16, 1,076,823.36 and 212,298.64 is: 318,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,777.16 : 1,076,823.36 = 212,298.64 : x
  2. Step 2: Convert to fraction form
    717,777.16/1,076,823.36 = 212,298.64/x
  3. Step 3: Cross multiply
    717,777.16x = 1,076,823.36 × 212,298.64
  4. Step 4: Simplify right side
    717,777.16x = 228,608,134,848.23
  5. Step 5: Solve for x
    x = 228,608,134,848.23/717,777.16
  6. Step 6: Final answer
    x = 318,494.58

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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.