Home / 881,580.40-1,321,595.38-349,475.20

Finding the Fourth Proportional to 881,580.40, 1,321,595.38 and 349,475.20

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Solution

The fourth proportional to 881,580.40, 1,321,595.38 and 349,475.20 is: 523,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,580.40 : 1,321,595.38 = 349,475.20 : x
  2. Step 2: Convert to fraction form
    881,580.40/1,321,595.38 = 349,475.20/x
  3. Step 3: Cross multiply
    881,580.40x = 1,321,595.38 × 349,475.20
  4. Step 4: Simplify right side
    881,580.40x = 461,864,809,744.58
  5. Step 5: Solve for x
    x = 461,864,809,744.58/881,580.40
  6. Step 6: Final answer
    x = 523,905.49

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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.