Home / 1,476,821.10-2,215,231.38-354,890.10

Finding the Fourth Proportional to 1,476,821.10, 2,215,231.38 and 354,890.10

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Solution

The fourth proportional to 1,476,821.10, 2,215,231.38 and 354,890.10 is: 532,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,821.10 : 2,215,231.38 = 354,890.10 : x
  2. Step 2: Convert to fraction form
    1,476,821.10/2,215,231.38 = 354,890.10/x
  3. Step 3: Cross multiply
    1,476,821.10x = 2,215,231.38 × 354,890.10
  4. Step 4: Simplify right side
    1,476,821.10x = 786,163,685,971.34
  5. Step 5: Solve for x
    x = 786,163,685,971.34/1,476,821.10
  6. Step 6: Final answer
    x = 532,335.09

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Double scale
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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.