Home / 894,976.64-1,235,044.32-487,086.40

Finding the Fourth Proportional to 894,976.64, 1,235,044.32 and 487,086.40

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Solution

The fourth proportional to 894,976.64, 1,235,044.32 and 487,086.40 is: 672,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,976.64 : 1,235,044.32 = 487,086.40 : x
  2. Step 2: Convert to fraction form
    894,976.64/1,235,044.32 = 487,086.40/x
  3. Step 3: Cross multiply
    894,976.64x = 1,235,044.32 × 487,086.40
  4. Step 4: Simplify right side
    894,976.64x = 601,573,291,669.25
  5. Step 5: Solve for x
    x = 601,573,291,669.25/894,976.64
  6. Step 6: Final answer
    x = 672,166.47

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1.5x scale

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.