Home / 882,928.61-1,218,405.61-500,947.19

Finding the Fourth Proportional to 882,928.61, 1,218,405.61 and 500,947.19

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Solution

The fourth proportional to 882,928.61, 1,218,405.61 and 500,947.19 is: 691,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,928.61 : 1,218,405.61 = 500,947.19 : x
  2. Step 2: Convert to fraction form
    882,928.61/1,218,405.61 = 500,947.19/x
  3. Step 3: Cross multiply
    882,928.61x = 1,218,405.61 × 500,947.19
  4. Step 4: Simplify right side
    882,928.61x = 610,356,866,609.74
  5. Step 5: Solve for x
    x = 610,356,866,609.74/882,928.61
  6. Step 6: Final answer
    x = 691,286.77

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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.