Home / 1,657,909.70-2,485,021.35-711,119.30

Finding the Fourth Proportional to 1,657,909.70, 2,485,021.35 and 711,119.30

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Solution

The fourth proportional to 1,657,909.70, 2,485,021.35 and 711,119.30 is: 1,065,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,909.70 : 2,485,021.35 = 711,119.30 : x
  2. Step 2: Convert to fraction form
    1,657,909.70/2,485,021.35 = 711,119.30/x
  3. Step 3: Cross multiply
    1,657,909.70x = 2,485,021.35 × 711,119.30
  4. Step 4: Simplify right side
    1,657,909.70x = 1,767,146,642,897.06
  5. Step 5: Solve for x
    x = 1,767,146,642,897.06/1,657,909.70
  6. Step 6: Final answer
    x = 1,065,888.36

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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.