Home / 740,004.78-1,110,145.56-234,430

Finding the Fourth Proportional to 740,004.78, 1,110,145.56 and 234,430

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Solution

The fourth proportional to 740,004.78, 1,110,145.56 and 234,430 is: 351,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,004.78 : 1,110,145.56 = 234,430 : x
  2. Step 2: Convert to fraction form
    740,004.78/1,110,145.56 = 234,430/x
  3. Step 3: Cross multiply
    740,004.78x = 1,110,145.56 × 234,430
  4. Step 4: Simplify right side
    740,004.78x = 260,251,423,630.80
  5. Step 5: Solve for x
    x = 260,251,423,630.80/740,004.78
  6. Step 6: Final answer
    x = 351,688.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.