Home / 528,362.12-791,932.74-243,457.04

Finding the Fourth Proportional to 528,362.12, 791,932.74 and 243,457.04

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Solution

The fourth proportional to 528,362.12, 791,932.74 and 243,457.04 is: 364,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,362.12 : 791,932.74 = 243,457.04 : x
  2. Step 2: Convert to fraction form
    528,362.12/791,932.74 = 243,457.04/x
  3. Step 3: Cross multiply
    528,362.12x = 791,932.74 × 243,457.04
  4. Step 4: Simplify right side
    528,362.12x = 192,801,600,759.49
  5. Step 5: Solve for x
    x = 192,801,600,759.49/528,362.12
  6. Step 6: Final answer
    x = 364,904.28

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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.