Home / 1,245,702.93-1,719,069.96-672,743.04

Finding the Fourth Proportional to 1,245,702.93, 1,719,069.96 and 672,743.04

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Solution

The fourth proportional to 1,245,702.93, 1,719,069.96 and 672,743.04 is: 928,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,702.93 : 1,719,069.96 = 672,743.04 : x
  2. Step 2: Convert to fraction form
    1,245,702.93/1,719,069.96 = 672,743.04/x
  3. Step 3: Cross multiply
    1,245,702.93x = 1,719,069.96 × 672,743.04
  4. Step 4: Simplify right side
    1,245,702.93x = 1,156,492,350,863.08
  5. Step 5: Solve for x
    x = 1,156,492,350,863.08/1,245,702.93
  6. Step 6: Final answer
    x = 928,385.35

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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.