Home / 1,114,554.38-1,538,102.85-631,106.42

Finding the Fourth Proportional to 1,114,554.38, 1,538,102.85 and 631,106.42

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Solution

The fourth proportional to 1,114,554.38, 1,538,102.85 and 631,106.42 is: 870,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,554.38 : 1,538,102.85 = 631,106.42 : x
  2. Step 2: Convert to fraction form
    1,114,554.38/1,538,102.85 = 631,106.42/x
  3. Step 3: Cross multiply
    1,114,554.38x = 1,538,102.85 × 631,106.42
  4. Step 4: Simplify right side
    1,114,554.38x = 970,706,583,255.30
  5. Step 5: Solve for x
    x = 970,706,583,255.30/1,114,554.38
  6. Step 6: Final answer
    x = 870,936.94

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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.