Home / 742,533.24-1,024,696.88-403,001.49

Finding the Fourth Proportional to 742,533.24, 1,024,696.88 and 403,001.49

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Solution

The fourth proportional to 742,533.24, 1,024,696.88 and 403,001.49 is: 556,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,533.24 : 1,024,696.88 = 403,001.49 : x
  2. Step 2: Convert to fraction form
    742,533.24/1,024,696.88 = 403,001.49/x
  3. Step 3: Cross multiply
    742,533.24x = 1,024,696.88 × 403,001.49
  4. Step 4: Simplify right side
    742,533.24x = 412,954,369,438.35
  5. Step 5: Solve for x
    x = 412,954,369,438.35/742,533.24
  6. Step 6: Final answer
    x = 556,142.60

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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.