Home / 619,977.60-929,966.40-614,072.70

Finding the Fourth Proportional to 619,977.60, 929,966.40 and 614,072.70

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Solution

The fourth proportional to 619,977.60, 929,966.40 and 614,072.70 is: 921,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,977.60 : 929,966.40 = 614,072.70 : x
  2. Step 2: Convert to fraction form
    619,977.60/929,966.40 = 614,072.70/x
  3. Step 3: Cross multiply
    619,977.60x = 929,966.40 × 614,072.70
  4. Step 4: Simplify right side
    619,977.60x = 571,066,978,157.28
  5. Step 5: Solve for x
    x = 571,066,978,157.28/619,977.60
  6. Step 6: Final answer
    x = 921,109.05

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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.