Home / 931,267.70-1,284,860.60-543,803.62

Finding the Fourth Proportional to 931,267.70, 1,284,860.60 and 543,803.62

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Solution

The fourth proportional to 931,267.70, 1,284,860.60 and 543,803.62 is: 750,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,267.70 : 1,284,860.60 = 543,803.62 : x
  2. Step 2: Convert to fraction form
    931,267.70/1,284,860.60 = 543,803.62/x
  3. Step 3: Cross multiply
    931,267.70x = 1,284,860.60 × 543,803.62
  4. Step 4: Simplify right side
    931,267.70x = 698,711,845,475.37
  5. Step 5: Solve for x
    x = 698,711,845,475.37/931,267.70
  6. Step 6: Final answer
    x = 750,280.34

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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.