Home / 433,406.28-598,128.12-242,420.76

Finding the Fourth Proportional to 433,406.28, 598,128.12 and 242,420.76

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Solution

The fourth proportional to 433,406.28, 598,128.12 and 242,420.76 is: 334,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,406.28 : 598,128.12 = 242,420.76 : x
  2. Step 2: Convert to fraction form
    433,406.28/598,128.12 = 242,420.76/x
  3. Step 3: Cross multiply
    433,406.28x = 598,128.12 × 242,420.76
  4. Step 4: Simplify right side
    433,406.28x = 144,998,673,427.77
  5. Step 5: Solve for x
    x = 144,998,673,427.77/433,406.28
  6. Step 6: Final answer
    x = 334,556.00

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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.