Home / 742,372.62-1,024,938.54-510,199.50

Finding the Fourth Proportional to 742,372.62, 1,024,938.54 and 510,199.50

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Solution

The fourth proportional to 742,372.62, 1,024,938.54 and 510,199.50 is: 704,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,372.62 : 1,024,938.54 = 510,199.50 : x
  2. Step 2: Convert to fraction form
    742,372.62/1,024,938.54 = 510,199.50/x
  3. Step 3: Cross multiply
    742,372.62x = 1,024,938.54 × 510,199.50
  4. Step 4: Simplify right side
    742,372.62x = 522,923,130,638.73
  5. Step 5: Solve for x
    x = 522,923,130,638.73/742,372.62
  6. Step 6: Final answer
    x = 704,394.42

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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.