Home / 1,168,600.86-1,612,711.08-678,533.67

Finding the Fourth Proportional to 1,168,600.86, 1,612,711.08 and 678,533.67

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Solution

The fourth proportional to 1,168,600.86, 1,612,711.08 and 678,533.67 is: 936,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,600.86 : 1,612,711.08 = 678,533.67 : x
  2. Step 2: Convert to fraction form
    1,168,600.86/1,612,711.08 = 678,533.67/x
  3. Step 3: Cross multiply
    1,168,600.86x = 1,612,711.08 × 678,533.67
  4. Step 4: Simplify right side
    1,168,600.86x = 1,094,278,767,762.06
  5. Step 5: Solve for x
    x = 1,094,278,767,762.06/1,168,600.86
  6. Step 6: Final answer
    x = 936,400.79

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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.