Home / 1,117,626.36-1,542,281.50-634,162.67

Finding the Fourth Proportional to 1,117,626.36, 1,542,281.50 and 634,162.67

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Solution

The fourth proportional to 1,117,626.36, 1,542,281.50 and 634,162.67 is: 875,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,626.36 : 1,542,281.50 = 634,162.67 : x
  2. Step 2: Convert to fraction form
    1,117,626.36/1,542,281.50 = 634,162.67/x
  3. Step 3: Cross multiply
    1,117,626.36x = 1,542,281.50 × 634,162.67
  4. Step 4: Simplify right side
    1,117,626.36x = 978,057,353,931.61
  5. Step 5: Solve for x
    x = 978,057,353,931.61/1,117,626.36
  6. Step 6: Final answer
    x = 875,120.16

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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.