Home / 935,187.63-1,290,558.72-505,467.64

Finding the Fourth Proportional to 935,187.63, 1,290,558.72 and 505,467.64

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Solution

The fourth proportional to 935,187.63, 1,290,558.72 and 505,467.64 is: 697,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,187.63 : 1,290,558.72 = 505,467.64 : x
  2. Step 2: Convert to fraction form
    935,187.63/1,290,558.72 = 505,467.64/x
  3. Step 3: Cross multiply
    935,187.63x = 1,290,558.72 × 505,467.64
  4. Step 4: Simplify right side
    935,187.63x = 652,335,673,988.52
  5. Step 5: Solve for x
    x = 652,335,673,988.52/935,187.63
  6. Step 6: Final answer
    x = 697,545.24

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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.