Home / 792,368.48-1,188,122.64-359,848.40

Finding the Fourth Proportional to 792,368.48, 1,188,122.64 and 359,848.40

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Solution

The fourth proportional to 792,368.48, 1,188,122.64 and 359,848.40 is: 539,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,368.48 : 1,188,122.64 = 359,848.40 : x
  2. Step 2: Convert to fraction form
    792,368.48/1,188,122.64 = 359,848.40/x
  3. Step 3: Cross multiply
    792,368.48x = 1,188,122.64 × 359,848.40
  4. Step 4: Simplify right side
    792,368.48x = 427,544,031,007.78
  5. Step 5: Solve for x
    x = 427,544,031,007.78/792,368.48
  6. Step 6: Final answer
    x = 539,577.28

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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.