Home / 563,586.51-777,749.40-308,932.23

Finding the Fourth Proportional to 563,586.51, 777,749.40 and 308,932.23

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Solution

The fourth proportional to 563,586.51, 777,749.40 and 308,932.23 is: 426,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,586.51 : 777,749.40 = 308,932.23 : x
  2. Step 2: Convert to fraction form
    563,586.51/777,749.40 = 308,932.23/x
  3. Step 3: Cross multiply
    563,586.51x = 777,749.40 × 308,932.23
  4. Step 4: Simplify right side
    563,586.51x = 240,271,856,523.16
  5. Step 5: Solve for x
    x = 240,271,856,523.16/563,586.51
  6. Step 6: Final answer
    x = 426,326.49

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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.