Home / 805,558.54-1,111,398.68-456,661.52

Finding the Fourth Proportional to 805,558.54, 1,111,398.68 and 456,661.52

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Solution

The fourth proportional to 805,558.54, 1,111,398.68 and 456,661.52 is: 630,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,558.54 : 1,111,398.68 = 456,661.52 : x
  2. Step 2: Convert to fraction form
    805,558.54/1,111,398.68 = 456,661.52/x
  3. Step 3: Cross multiply
    805,558.54x = 1,111,398.68 × 456,661.52
  4. Step 4: Simplify right side
    805,558.54x = 507,533,004,977.80
  5. Step 5: Solve for x
    x = 507,533,004,977.80/805,558.54
  6. Step 6: Final answer
    x = 630,038.64

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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.