Home / 895,211.01-1,235,378.48-487,316.23

Finding the Fourth Proportional to 895,211.01, 1,235,378.48 and 487,316.23

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Solution

The fourth proportional to 895,211.01, 1,235,378.48 and 487,316.23 is: 672,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,211.01 : 1,235,378.48 = 487,316.23 : x
  2. Step 2: Convert to fraction form
    895,211.01/1,235,378.48 = 487,316.23/x
  3. Step 3: Cross multiply
    895,211.01x = 1,235,378.48 × 487,316.23
  4. Step 4: Simplify right side
    895,211.01x = 602,019,983,496.73
  5. Step 5: Solve for x
    x = 602,019,983,496.73/895,211.01
  6. Step 6: Final answer
    x = 672,489.48

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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.