Home / 563,921.84-845,011.96-380,835.07

Finding the Fourth Proportional to 563,921.84, 845,011.96 and 380,835.07

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Solution

The fourth proportional to 563,921.84, 845,011.96 and 380,835.07 is: 570,664.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,921.84 : 845,011.96 = 380,835.07 : x
  2. Step 2: Convert to fraction form
    563,921.84/845,011.96 = 380,835.07/x
  3. Step 3: Cross multiply
    563,921.84x = 845,011.96 × 380,835.07
  4. Step 4: Simplify right side
    563,921.84x = 321,810,188,937.44
  5. Step 5: Solve for x
    x = 321,810,188,937.44/563,921.84
  6. Step 6: Final answer
    x = 570,664.52

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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.