Home / 403,733.64-556,693.36-258,345.52

Finding the Fourth Proportional to 403,733.64, 556,693.36 and 258,345.52

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Solution

The fourth proportional to 403,733.64, 556,693.36 and 258,345.52 is: 356,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,733.64 : 556,693.36 = 258,345.52 : x
  2. Step 2: Convert to fraction form
    403,733.64/556,693.36 = 258,345.52/x
  3. Step 3: Cross multiply
    403,733.64x = 556,693.36 × 258,345.52
  4. Step 4: Simplify right side
    403,733.64x = 143,819,235,569.75
  5. Step 5: Solve for x
    x = 143,819,235,569.75/403,733.64
  6. Step 6: Final answer
    x = 356,223.07

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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.