Home / 669,533.12-923,951.52-401,261.12

Finding the Fourth Proportional to 669,533.12, 923,951.52 and 401,261.12

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Solution

The fourth proportional to 669,533.12, 923,951.52 and 401,261.12 is: 553,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,533.12 : 923,951.52 = 401,261.12 : x
  2. Step 2: Convert to fraction form
    669,533.12/923,951.52 = 401,261.12/x
  3. Step 3: Cross multiply
    669,533.12x = 923,951.52 × 401,261.12
  4. Step 4: Simplify right side
    669,533.12x = 370,745,821,740.90
  5. Step 5: Solve for x
    x = 370,745,821,740.90/669,533.12
  6. Step 6: Final answer
    x = 553,737.84

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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.