Home / 895,860.06-1,236,288.58-487,960.64

Finding the Fourth Proportional to 895,860.06, 1,236,288.58 and 487,960.64

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Solution

The fourth proportional to 895,860.06, 1,236,288.58 and 487,960.64 is: 673,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,860.06 : 1,236,288.58 = 487,960.64 : x
  2. Step 2: Convert to fraction form
    895,860.06/1,236,288.58 = 487,960.64/x
  3. Step 3: Cross multiply
    895,860.06x = 1,236,288.58 × 487,960.64
  4. Step 4: Simplify right side
    895,860.06x = 603,260,166,721.49
  5. Step 5: Solve for x
    x = 603,260,166,721.49/895,860.06
  6. Step 6: Final answer
    x = 673,386.61

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Double scale
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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.