Home / 563,923.10-845,013.83-380,836.32

Finding the Fourth Proportional to 563,923.10, 845,013.83 and 380,836.32

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Solution

The fourth proportional to 563,923.10, 845,013.83 and 380,836.32 is: 570,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,923.10 : 845,013.83 = 380,836.32 : x
  2. Step 2: Convert to fraction form
    563,923.10/845,013.83 = 380,836.32/x
  3. Step 3: Cross multiply
    563,923.10x = 845,013.83 × 380,836.32
  4. Step 4: Simplify right side
    563,923.10x = 321,811,955,462.12
  5. Step 5: Solve for x
    x = 321,811,955,462.12/563,923.10
  6. Step 6: Final answer
    x = 570,666.39

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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.