Home / 1,147,368.30-1,721,052.45-517,512.30

Finding the Fourth Proportional to 1,147,368.30, 1,721,052.45 and 517,512.30

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Solution

The fourth proportional to 1,147,368.30, 1,721,052.45 and 517,512.30 is: 776,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,368.30 : 1,721,052.45 = 517,512.30 : x
  2. Step 2: Convert to fraction form
    1,147,368.30/1,721,052.45 = 517,512.30/x
  3. Step 3: Cross multiply
    1,147,368.30x = 1,721,052.45 × 517,512.30
  4. Step 4: Simplify right side
    1,147,368.30x = 890,665,811,820.14
  5. Step 5: Solve for x
    x = 890,665,811,820.14/1,147,368.30
  6. Step 6: Final answer
    x = 776,268.45

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Double scale
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Similar ratio
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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.