Home / 649,986.40-973,078.80-463,362.40

Finding the Fourth Proportional to 649,986.40, 973,078.80 and 463,362.40

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Solution

The fourth proportional to 649,986.40, 973,078.80 and 463,362.40 is: 693,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,986.40 : 973,078.80 = 463,362.40 : x
  2. Step 2: Convert to fraction form
    649,986.40/973,078.80 = 463,362.40/x
  3. Step 3: Cross multiply
    649,986.40x = 973,078.80 × 463,362.40
  4. Step 4: Simplify right side
    649,986.40x = 450,888,128,157.12
  5. Step 5: Solve for x
    x = 450,888,128,157.12/649,986.40
  6. Step 6: Final answer
    x = 693,688.56

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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.