Home / 1,035,572.58-1,428,354-691,234.90

Finding the Fourth Proportional to 1,035,572.58, 1,428,354 and 691,234.90

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Solution

The fourth proportional to 1,035,572.58, 1,428,354 and 691,234.90 is: 953,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,572.58 : 1,428,354 = 691,234.90 : x
  2. Step 2: Convert to fraction form
    1,035,572.58/1,428,354 = 691,234.90/x
  3. Step 3: Cross multiply
    1,035,572.58x = 1,428,354 × 691,234.90
  4. Step 4: Simplify right side
    1,035,572.58x = 987,328,130,783.72
  5. Step 5: Solve for x
    x = 987,328,130,783.72/1,035,572.58
  6. Step 6: Final answer
    x = 953,412.78

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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.