Home / 1,156,605.60-1,733,158.80-978,146.40

Finding the Fourth Proportional to 1,156,605.60, 1,733,158.80 and 978,146.40

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Solution

The fourth proportional to 1,156,605.60, 1,733,158.80 and 978,146.40 is: 1,465,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,605.60 : 1,733,158.80 = 978,146.40 : x
  2. Step 2: Convert to fraction form
    1,156,605.60/1,733,158.80 = 978,146.40/x
  3. Step 3: Cross multiply
    1,156,605.60x = 1,733,158.80 × 978,146.40
  4. Step 4: Simplify right side
    1,156,605.60x = 1,695,283,040,848.32
  5. Step 5: Solve for x
    x = 1,695,283,040,848.32/1,156,605.60
  6. Step 6: Final answer
    x = 1,465,739.96

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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.