Home / 548,933.52-757,561.64-307,211.16

Finding the Fourth Proportional to 548,933.52, 757,561.64 and 307,211.16

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Solution

The fourth proportional to 548,933.52, 757,561.64 and 307,211.16 is: 423,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,933.52 : 757,561.64 = 307,211.16 : x
  2. Step 2: Convert to fraction form
    548,933.52/757,561.64 = 307,211.16/x
  3. Step 3: Cross multiply
    548,933.52x = 757,561.64 × 307,211.16
  4. Step 4: Simplify right side
    548,933.52x = 232,731,390,195.90
  5. Step 5: Solve for x
    x = 232,731,390,195.90/548,933.52
  6. Step 6: Final answer
    x = 423,970.08

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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.