Home / 922,554.45-1,384,018.46-390,074.61

Finding the Fourth Proportional to 922,554.45, 1,384,018.46 and 390,074.61

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Solution

The fourth proportional to 922,554.45, 1,384,018.46 and 390,074.61 is: 585,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,554.45 : 1,384,018.46 = 390,074.61 : x
  2. Step 2: Convert to fraction form
    922,554.45/1,384,018.46 = 390,074.61/x
  3. Step 3: Cross multiply
    922,554.45x = 1,384,018.46 × 390,074.61
  4. Step 4: Simplify right side
    922,554.45x = 539,870,459,066.93
  5. Step 5: Solve for x
    x = 539,870,459,066.93/922,554.45
  6. Step 6: Final answer
    x = 585,190.89

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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.