Home / 892,421.16-1,231,185.06-570,047.64

Finding the Fourth Proportional to 892,421.16, 1,231,185.06 and 570,047.64

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Solution

The fourth proportional to 892,421.16, 1,231,185.06 and 570,047.64 is: 786,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,421.16 : 1,231,185.06 = 570,047.64 : x
  2. Step 2: Convert to fraction form
    892,421.16/1,231,185.06 = 570,047.64/x
  3. Step 3: Cross multiply
    892,421.16x = 1,231,185.06 × 570,047.64
  4. Step 4: Simplify right side
    892,421.16x = 701,834,137,856.26
  5. Step 5: Solve for x
    x = 701,834,137,856.26/892,421.16
  6. Step 6: Final answer
    x = 786,438.25

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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.