Home / 1,168,333.50-1,612,300.31-631,789.50

Finding the Fourth Proportional to 1,168,333.50, 1,612,300.31 and 631,789.50

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Solution

The fourth proportional to 1,168,333.50, 1,612,300.31 and 631,789.50 is: 871,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,333.50 : 1,612,300.31 = 631,789.50 : x
  2. Step 2: Convert to fraction form
    1,168,333.50/1,612,300.31 = 631,789.50/x
  3. Step 3: Cross multiply
    1,168,333.50x = 1,612,300.31 × 631,789.50
  4. Step 4: Simplify right side
    1,168,333.50x = 1,018,634,406,704.75
  5. Step 5: Solve for x
    x = 1,018,634,406,704.75/1,168,333.50
  6. Step 6: Final answer
    x = 871,869.55

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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.