Home / 1,021,316.56-1,409,405.34-562,421.86

Finding the Fourth Proportional to 1,021,316.56, 1,409,405.34 and 562,421.86

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Solution

The fourth proportional to 1,021,316.56, 1,409,405.34 and 562,421.86 is: 776,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,316.56 : 1,409,405.34 = 562,421.86 : x
  2. Step 2: Convert to fraction form
    1,021,316.56/1,409,405.34 = 562,421.86/x
  3. Step 3: Cross multiply
    1,021,316.56x = 1,409,405.34 × 562,421.86
  4. Step 4: Simplify right side
    1,021,316.56x = 792,680,372,816.73
  5. Step 5: Solve for x
    x = 792,680,372,816.73/1,021,316.56
  6. Step 6: Final answer
    x = 776,135.83

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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.