Home / 1,539,003.60-2,308,505.40-830,415.60

Finding the Fourth Proportional to 1,539,003.60, 2,308,505.40 and 830,415.60

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Solution

The fourth proportional to 1,539,003.60, 2,308,505.40 and 830,415.60 is: 1,245,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,003.60 : 2,308,505.40 = 830,415.60 : x
  2. Step 2: Convert to fraction form
    1,539,003.60/2,308,505.40 = 830,415.60/x
  3. Step 3: Cross multiply
    1,539,003.60x = 2,308,505.40 × 830,415.60
  4. Step 4: Simplify right side
    1,539,003.60x = 1,917,018,896,844.24
  5. Step 5: Solve for x
    x = 1,917,018,896,844.24/1,539,003.60
  6. Step 6: Final answer
    x = 1,245,623.40

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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.