Home / 528,133.30-792,433.23-213,205.30

Finding the Fourth Proportional to 528,133.30, 792,433.23 and 213,205.30

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Solution

The fourth proportional to 528,133.30, 792,433.23 and 213,205.30 is: 319,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,133.30 : 792,433.23 = 213,205.30 : x
  2. Step 2: Convert to fraction form
    528,133.30/792,433.23 = 213,205.30/x
  3. Step 3: Cross multiply
    528,133.30x = 792,433.23 × 213,205.30
  4. Step 4: Simplify right side
    528,133.30x = 168,950,964,532.12
  5. Step 5: Solve for x
    x = 168,950,964,532.12/528,133.30
  6. Step 6: Final answer
    x = 319,902.12

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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.