Home / 769,607.46-1,154,430.90-364,704.66

Finding the Fourth Proportional to 769,607.46, 1,154,430.90 and 364,704.66

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Solution

The fourth proportional to 769,607.46, 1,154,430.90 and 364,704.66 is: 547,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,607.46 : 1,154,430.90 = 364,704.66 : x
  2. Step 2: Convert to fraction form
    769,607.46/1,154,430.90 = 364,704.66/x
  3. Step 3: Cross multiply
    769,607.46x = 1,154,430.90 × 364,704.66
  4. Step 4: Simplify right side
    769,607.46x = 421,026,328,877.99
  5. Step 5: Solve for x
    x = 421,026,328,877.99/769,607.46
  6. Step 6: Final answer
    x = 547,066.33

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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.