Home / 405,347.64-559,435.33-233,262.06

Finding the Fourth Proportional to 405,347.64, 559,435.33 and 233,262.06

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Solution

The fourth proportional to 405,347.64, 559,435.33 and 233,262.06 is: 321,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,347.64 : 559,435.33 = 233,262.06 : x
  2. Step 2: Convert to fraction form
    405,347.64/559,435.33 = 233,262.06/x
  3. Step 3: Cross multiply
    405,347.64x = 559,435.33 × 233,262.06
  4. Step 4: Simplify right side
    405,347.64x = 130,495,034,715.40
  5. Step 5: Solve for x
    x = 130,495,034,715.40/405,347.64
  6. Step 6: Final answer
    x = 321,933.63

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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.