Home / 742,071.44-1,024,058.94-419,774.72

Finding the Fourth Proportional to 742,071.44, 1,024,058.94 and 419,774.72

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Solution

The fourth proportional to 742,071.44, 1,024,058.94 and 419,774.72 is: 579,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,071.44 : 1,024,058.94 = 419,774.72 : x
  2. Step 2: Convert to fraction form
    742,071.44/1,024,058.94 = 419,774.72/x
  3. Step 3: Cross multiply
    742,071.44x = 1,024,058.94 × 419,774.72
  4. Step 4: Simplify right side
    742,071.44x = 429,874,054,802.00
  5. Step 5: Solve for x
    x = 429,874,054,802.00/742,071.44
  6. Step 6: Final answer
    x = 579,289.31

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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.