Home / 1,226,784.24-1,693,795.50-768,084.21

Finding the Fourth Proportional to 1,226,784.24, 1,693,795.50 and 768,084.21

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Solution

The fourth proportional to 1,226,784.24, 1,693,795.50 and 768,084.21 is: 1,060,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,784.24 : 1,693,795.50 = 768,084.21 : x
  2. Step 2: Convert to fraction form
    1,226,784.24/1,693,795.50 = 768,084.21/x
  3. Step 3: Cross multiply
    1,226,784.24x = 1,693,795.50 × 768,084.21
  4. Step 4: Simplify right side
    1,226,784.24x = 1,300,977,578,519.06
  5. Step 5: Solve for x
    x = 1,300,977,578,519.06/1,226,784.24
  6. Step 6: Final answer
    x = 1,060,477.90

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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.