Home / 768,986.05-1,061,195.70-424,844.17

Finding the Fourth Proportional to 768,986.05, 1,061,195.70 and 424,844.17

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Solution

The fourth proportional to 768,986.05, 1,061,195.70 and 424,844.17 is: 586,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,986.05 : 1,061,195.70 = 424,844.17 : x
  2. Step 2: Convert to fraction form
    768,986.05/1,061,195.70 = 424,844.17/x
  3. Step 3: Cross multiply
    768,986.05x = 1,061,195.70 × 424,844.17
  4. Step 4: Simplify right side
    768,986.05x = 450,842,808,895.64
  5. Step 5: Solve for x
    x = 450,842,808,895.64/768,986.05
  6. Step 6: Final answer
    x = 586,282.17

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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.