Home / 648,588.16-972,782.44-216,313.23

Finding the Fourth Proportional to 648,588.16, 972,782.44 and 216,313.23

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Solution

The fourth proportional to 648,588.16, 972,782.44 and 216,313.23 is: 324,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,588.16 : 972,782.44 = 216,313.23 : x
  2. Step 2: Convert to fraction form
    648,588.16/972,782.44 = 216,313.23/x
  3. Step 3: Cross multiply
    648,588.16x = 972,782.44 × 216,313.23
  4. Step 4: Simplify right side
    648,588.16x = 210,425,710,602.12
  5. Step 5: Solve for x
    x = 210,425,710,602.12/648,588.16
  6. Step 6: Final answer
    x = 324,436.56

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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.