Home / 616,005.20-923,316.60-349,893.20

Finding the Fourth Proportional to 616,005.20, 923,316.60 and 349,893.20

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Solution

The fourth proportional to 616,005.20, 923,316.60 and 349,893.20 is: 524,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,005.20 : 923,316.60 = 349,893.20 : x
  2. Step 2: Convert to fraction form
    616,005.20/923,316.60 = 349,893.20/x
  3. Step 3: Cross multiply
    616,005.20x = 923,316.60 × 349,893.20
  4. Step 4: Simplify right side
    616,005.20x = 323,062,199,787.12
  5. Step 5: Solve for x
    x = 323,062,199,787.12/616,005.20
  6. Step 6: Final answer
    x = 524,447.20

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1.5x scale

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.