Home / 742,996.98-1,025,326.80-403,467.66

Finding the Fourth Proportional to 742,996.98, 1,025,326.80 and 403,467.66

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Solution

The fourth proportional to 742,996.98, 1,025,326.80 and 403,467.66 is: 556,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,996.98 : 1,025,326.80 = 403,467.66 : x
  2. Step 2: Convert to fraction form
    742,996.98/1,025,326.80 = 403,467.66/x
  3. Step 3: Cross multiply
    742,996.98x = 1,025,326.80 × 403,467.66
  4. Step 4: Simplify right side
    742,996.98x = 413,686,204,731.29
  5. Step 5: Solve for x
    x = 413,686,204,731.29/742,996.98
  6. Step 6: Final answer
    x = 556,780.47

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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.