Home / 723,725.10-1,085,590.44-302,705.64

Finding the Fourth Proportional to 723,725.10, 1,085,590.44 and 302,705.64

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Solution

The fourth proportional to 723,725.10, 1,085,590.44 and 302,705.64 is: 454,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,725.10 : 1,085,590.44 = 302,705.64 : x
  2. Step 2: Convert to fraction form
    723,725.10/1,085,590.44 = 302,705.64/x
  3. Step 3: Cross multiply
    723,725.10x = 1,085,590.44 × 302,705.64
  4. Step 4: Simplify right side
    723,725.10x = 328,614,348,918.08
  5. Step 5: Solve for x
    x = 328,614,348,918.08/723,725.10
  6. Step 6: Final answer
    x = 454,059.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.