Home / 623,628.20-935,223.60-324,009.20

Finding the Fourth Proportional to 623,628.20, 935,223.60 and 324,009.20

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Solution

The fourth proportional to 623,628.20, 935,223.60 and 324,009.20 is: 485,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,628.20 : 935,223.60 = 324,009.20 : x
  2. Step 2: Convert to fraction form
    623,628.20/935,223.60 = 324,009.20/x
  3. Step 3: Cross multiply
    623,628.20x = 935,223.60 × 324,009.20
  4. Step 4: Simplify right side
    623,628.20x = 303,021,050,457.12
  5. Step 5: Solve for x
    x = 303,021,050,457.12/623,628.20
  6. Step 6: Final answer
    x = 485,900.17

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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.