Home / 1,147,473.06-1,583,568.84-638,164.50

Finding the Fourth Proportional to 1,147,473.06, 1,583,568.84 and 638,164.50

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Solution

The fourth proportional to 1,147,473.06, 1,583,568.84 and 638,164.50 is: 880,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,473.06 : 1,583,568.84 = 638,164.50 : x
  2. Step 2: Convert to fraction form
    1,147,473.06/1,583,568.84 = 638,164.50/x
  3. Step 3: Cross multiply
    1,147,473.06x = 1,583,568.84 × 638,164.50
  4. Step 4: Simplify right side
    1,147,473.06x = 1,010,577,416,994.18
  5. Step 5: Solve for x
    x = 1,010,577,416,994.18/1,147,473.06
  6. Step 6: Final answer
    x = 880,698.16

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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.