Home / 616,015.20-923,331.60-349,903.20

Finding the Fourth Proportional to 616,015.20, 923,331.60 and 349,903.20

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Solution

The fourth proportional to 616,015.20, 923,331.60 and 349,903.20 is: 524,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,015.20 : 923,331.60 = 349,903.20 : x
  2. Step 2: Convert to fraction form
    616,015.20/923,331.60 = 349,903.20/x
  3. Step 3: Cross multiply
    616,015.20x = 923,331.60 × 349,903.20
  4. Step 4: Simplify right side
    616,015.20x = 323,076,681,501.12
  5. Step 5: Solve for x
    x = 323,076,681,501.12/616,015.20
  6. Step 6: Final answer
    x = 524,462.19

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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.