Home / 839,272.41-1,158,196.14-457,299.18

Finding the Fourth Proportional to 839,272.41, 1,158,196.14 and 457,299.18

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Solution

The fourth proportional to 839,272.41, 1,158,196.14 and 457,299.18 is: 631,072.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,272.41 : 1,158,196.14 = 457,299.18 : x
  2. Step 2: Convert to fraction form
    839,272.41/1,158,196.14 = 457,299.18/x
  3. Step 3: Cross multiply
    839,272.41x = 1,158,196.14 × 457,299.18
  4. Step 4: Simplify right side
    839,272.41x = 529,642,145,101.17
  5. Step 5: Solve for x
    x = 529,642,145,101.17/839,272.41
  6. Step 6: Final answer
    x = 631,072.99

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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.