Home / 863,501.64-1,295,539.20-383,662.68

Finding the Fourth Proportional to 863,501.64, 1,295,539.20 and 383,662.68

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Solution

The fourth proportional to 863,501.64, 1,295,539.20 and 383,662.68 is: 575,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,501.64 : 1,295,539.20 = 383,662.68 : x
  2. Step 2: Convert to fraction form
    863,501.64/1,295,539.20 = 383,662.68/x
  3. Step 3: Cross multiply
    863,501.64x = 1,295,539.20 × 383,662.68
  4. Step 4: Simplify right side
    863,501.64x = 497,050,041,517.06
  5. Step 5: Solve for x
    x = 497,050,041,517.06/863,501.64
  6. Step 6: Final answer
    x = 575,621.42

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1.5x scale

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.