Home / 764,095.29-1,054,408.59-458,018.49

Finding the Fourth Proportional to 764,095.29, 1,054,408.59 and 458,018.49

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Solution

The fourth proportional to 764,095.29, 1,054,408.59 and 458,018.49 is: 632,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,095.29 : 1,054,408.59 = 458,018.49 : x
  2. Step 2: Convert to fraction form
    764,095.29/1,054,408.59 = 458,018.49/x
  3. Step 3: Cross multiply
    764,095.29x = 1,054,408.59 × 458,018.49
  4. Step 4: Simplify right side
    764,095.29x = 482,938,630,234.83
  5. Step 5: Solve for x
    x = 482,938,630,234.83/764,095.29
  6. Step 6: Final answer
    x = 632,039.79

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1.5x scale

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.