Home / 862,576.83-1,190,328.62-540,460.89

Finding the Fourth Proportional to 862,576.83, 1,190,328.62 and 540,460.89

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Solution

The fourth proportional to 862,576.83, 1,190,328.62 and 540,460.89 is: 745,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,576.83 : 1,190,328.62 = 540,460.89 : x
  2. Step 2: Convert to fraction form
    862,576.83/1,190,328.62 = 540,460.89/x
  3. Step 3: Cross multiply
    862,576.83x = 1,190,328.62 × 540,460.89
  4. Step 4: Simplify right side
    862,576.83x = 643,326,062,655.37
  5. Step 5: Solve for x
    x = 643,326,062,655.37/862,576.83
  6. Step 6: Final answer
    x = 745,818.85

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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.