Home / 895,514.56-1,235,804.81-487,615.43

Finding the Fourth Proportional to 895,514.56, 1,235,804.81 and 487,615.43

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Solution

The fourth proportional to 895,514.56, 1,235,804.81 and 487,615.43 is: 672,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,514.56 : 1,235,804.81 = 487,615.43 : x
  2. Step 2: Convert to fraction form
    895,514.56/1,235,804.81 = 487,615.43/x
  3. Step 3: Cross multiply
    895,514.56x = 1,235,804.81 × 487,615.43
  4. Step 4: Simplify right side
    895,514.56x = 602,597,487,645.19
  5. Step 5: Solve for x
    x = 602,597,487,645.19/895,514.56
  6. Step 6: Final answer
    x = 672,906.41

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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.