Home / 1,142,381.40-1,576,549.08-633,072.84

Finding the Fourth Proportional to 1,142,381.40, 1,576,549.08 and 633,072.84

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Solution

The fourth proportional to 1,142,381.40, 1,576,549.08 and 633,072.84 is: 873,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,381.40 : 1,576,549.08 = 633,072.84 : x
  2. Step 2: Convert to fraction form
    1,142,381.40/1,576,549.08 = 633,072.84/x
  3. Step 3: Cross multiply
    1,142,381.40x = 1,576,549.08 × 633,072.84
  4. Step 4: Simplify right side
    1,142,381.40x = 998,070,403,474.99
  5. Step 5: Solve for x
    x = 998,070,403,474.99/1,142,381.40
  6. Step 6: Final answer
    x = 873,675.29

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Double scale
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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.