Home / 1,438,410.48-2,157,654.60-373,428.96

Finding the Fourth Proportional to 1,438,410.48, 2,157,654.60 and 373,428.96

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Solution

The fourth proportional to 1,438,410.48, 2,157,654.60 and 373,428.96 is: 560,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,410.48 : 2,157,654.60 = 373,428.96 : x
  2. Step 2: Convert to fraction form
    1,438,410.48/2,157,654.60 = 373,428.96/x
  3. Step 3: Cross multiply
    1,438,410.48x = 2,157,654.60 × 373,428.96
  4. Step 4: Simplify right side
    1,438,410.48x = 805,730,713,317.22
  5. Step 5: Solve for x
    x = 805,730,713,317.22/1,438,410.48
  6. Step 6: Final answer
    x = 560,153.53

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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.