Home / 553,865.04-764,334.36-299,216.16

Finding the Fourth Proportional to 553,865.04, 764,334.36 and 299,216.16

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Solution

The fourth proportional to 553,865.04, 764,334.36 and 299,216.16 is: 412,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,865.04 : 764,334.36 = 299,216.16 : x
  2. Step 2: Convert to fraction form
    553,865.04/764,334.36 = 299,216.16/x
  3. Step 3: Cross multiply
    553,865.04x = 764,334.36 × 299,216.16
  4. Step 4: Simplify right side
    553,865.04x = 228,701,192,155.26
  5. Step 5: Solve for x
    x = 228,701,192,155.26/553,865.04
  6. Step 6: Final answer
    x = 412,918.63

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1.5x scale

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.