Home / 1,317,074.47-1,975,951.71-406,236.46

Finding the Fourth Proportional to 1,317,074.47, 1,975,951.71 and 406,236.46

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Solution

The fourth proportional to 1,317,074.47, 1,975,951.71 and 406,236.46 is: 609,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,074.47 : 1,975,951.71 = 406,236.46 : x
  2. Step 2: Convert to fraction form
    1,317,074.47/1,975,951.71 = 406,236.46/x
  3. Step 3: Cross multiply
    1,317,074.47x = 1,975,951.71 × 406,236.46
  4. Step 4: Simplify right side
    1,317,074.47x = 802,703,627,801.35
  5. Step 5: Solve for x
    x = 802,703,627,801.35/1,317,074.47
  6. Step 6: Final answer
    x = 609,459.56

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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.