Home / 742,445.49-1,024,045.44-681,388.44

Finding the Fourth Proportional to 742,445.49, 1,024,045.44 and 681,388.44

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Solution

The fourth proportional to 742,445.49, 1,024,045.44 and 681,388.44 is: 939,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,445.49 : 1,024,045.44 = 681,388.44 : x
  2. Step 2: Convert to fraction form
    742,445.49/1,024,045.44 = 681,388.44/x
  3. Step 3: Cross multiply
    742,445.49x = 1,024,045.44 × 681,388.44
  4. Step 4: Simplify right side
    742,445.49x = 697,772,722,775.53
  5. Step 5: Solve for x
    x = 697,772,722,775.53/742,445.49
  6. Step 6: Final answer
    x = 939,830.23

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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.