Home / 1,319,290.16-1,820,653.08-809,702.96

Finding the Fourth Proportional to 1,319,290.16, 1,820,653.08 and 809,702.96

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Solution

The fourth proportional to 1,319,290.16, 1,820,653.08 and 809,702.96 is: 1,117,410.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,290.16 : 1,820,653.08 = 809,702.96 : x
  2. Step 2: Convert to fraction form
    1,319,290.16/1,820,653.08 = 809,702.96/x
  3. Step 3: Cross multiply
    1,319,290.16x = 1,820,653.08 × 809,702.96
  4. Step 4: Simplify right side
    1,319,290.16x = 1,474,188,188,009.12
  5. Step 5: Solve for x
    x = 1,474,188,188,009.12/1,319,290.16
  6. Step 6: Final answer
    x = 1,117,410.13

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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.