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Finding the Fourth Proportional to 1,325,624.22, 1,828,779.51 and 895,747.74

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Solution

The fourth proportional to 1,325,624.22, 1,828,779.51 and 895,747.74 is: 1,235,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,624.22 : 1,828,779.51 = 895,747.74 : x
  2. Step 2: Convert to fraction form
    1,325,624.22/1,828,779.51 = 895,747.74/x
  3. Step 3: Cross multiply
    1,325,624.22x = 1,828,779.51 × 895,747.74
  4. Step 4: Simplify right side
    1,325,624.22x = 1,638,125,113,040.81
  5. Step 5: Solve for x
    x = 1,638,125,113,040.81/1,325,624.22
  6. Step 6: Final answer
    x = 1,235,738.67

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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.