Home / 648,035.60-971,567.40-332,718.80

Finding the Fourth Proportional to 648,035.60, 971,567.40 and 332,718.80

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Solution

The fourth proportional to 648,035.60, 971,567.40 and 332,718.80 is: 498,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,035.60 : 971,567.40 = 332,718.80 : x
  2. Step 2: Convert to fraction form
    648,035.60/971,567.40 = 332,718.80/x
  3. Step 3: Cross multiply
    648,035.60x = 971,567.40 × 332,718.80
  4. Step 4: Simplify right side
    648,035.60x = 323,258,739,447.12
  5. Step 5: Solve for x
    x = 323,258,739,447.12/648,035.60
  6. Step 6: Final answer
    x = 498,828.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.