Home / 1,285,282.32-1,773,689.70-712,359.39

Finding the Fourth Proportional to 1,285,282.32, 1,773,689.70 and 712,359.39

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Solution

The fourth proportional to 1,285,282.32, 1,773,689.70 and 712,359.39 is: 983,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,282.32 : 1,773,689.70 = 712,359.39 : x
  2. Step 2: Convert to fraction form
    1,285,282.32/1,773,689.70 = 712,359.39/x
  3. Step 3: Cross multiply
    1,285,282.32x = 1,773,689.70 × 712,359.39
  4. Step 4: Simplify right side
    1,285,282.32x = 1,263,504,512,741.28
  5. Step 5: Solve for x
    x = 1,263,504,512,741.28/1,285,282.32
  6. Step 6: Final answer
    x = 983,056.01

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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.