Home / 623,181.54-935,602.56-421,455.36

Finding the Fourth Proportional to 623,181.54, 935,602.56 and 421,455.36

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Solution

The fourth proportional to 623,181.54, 935,602.56 and 421,455.36 is: 632,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,181.54 : 935,602.56 = 421,455.36 : x
  2. Step 2: Convert to fraction form
    623,181.54/935,602.56 = 421,455.36/x
  3. Step 3: Cross multiply
    623,181.54x = 935,602.56 × 421,455.36
  4. Step 4: Simplify right side
    623,181.54x = 394,314,713,741.72
  5. Step 5: Solve for x
    x = 394,314,713,741.72/623,181.54
  6. Step 6: Final answer
    x = 632,744.53

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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.