Home / 877,901.04-1,316,786.22-316,936.08

Finding the Fourth Proportional to 877,901.04, 1,316,786.22 and 316,936.08

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Solution

The fourth proportional to 877,901.04, 1,316,786.22 and 316,936.08 is: 475,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,901.04 : 1,316,786.22 = 316,936.08 : x
  2. Step 2: Convert to fraction form
    877,901.04/1,316,786.22 = 316,936.08/x
  3. Step 3: Cross multiply
    877,901.04x = 1,316,786.22 × 316,936.08
  4. Step 4: Simplify right side
    877,901.04x = 417,337,062,764.82
  5. Step 5: Solve for x
    x = 417,337,062,764.82/877,901.04
  6. Step 6: Final answer
    x = 475,380.53

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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.