Home / 818,997.07-1,130,219.75-475,036.65

Finding the Fourth Proportional to 818,997.07, 1,130,219.75 and 475,036.65

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Solution

The fourth proportional to 818,997.07, 1,130,219.75 and 475,036.65 is: 655,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,997.07 : 1,130,219.75 = 475,036.65 : x
  2. Step 2: Convert to fraction form
    818,997.07/1,130,219.75 = 475,036.65/x
  3. Step 3: Cross multiply
    818,997.07x = 1,130,219.75 × 475,036.65
  4. Step 4: Simplify right side
    818,997.07x = 536,895,795,777.56
  5. Step 5: Solve for x
    x = 536,895,795,777.56/818,997.07
  6. Step 6: Final answer
    x = 655,552.77

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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.