Home / 1,114,554.88-1,538,103.54-631,106.92

Finding the Fourth Proportional to 1,114,554.88, 1,538,103.54 and 631,106.92

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Solution

The fourth proportional to 1,114,554.88, 1,538,103.54 and 631,106.92 is: 870,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,554.88 : 1,538,103.54 = 631,106.92 : x
  2. Step 2: Convert to fraction form
    1,114,554.88/1,538,103.54 = 631,106.92/x
  3. Step 3: Cross multiply
    1,114,554.88x = 1,538,103.54 × 631,106.92
  4. Step 4: Simplify right side
    1,114,554.88x = 970,707,787,770.50
  5. Step 5: Solve for x
    x = 970,707,787,770.50/1,114,554.88
  6. Step 6: Final answer
    x = 870,937.63

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Double scale
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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.