Home / 1,384,068.44-1,910,070-772,274.64

Finding the Fourth Proportional to 1,384,068.44, 1,910,070 and 772,274.64

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Solution

The fourth proportional to 1,384,068.44, 1,910,070 and 772,274.64 is: 1,065,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,068.44 : 1,910,070 = 772,274.64 : x
  2. Step 2: Convert to fraction form
    1,384,068.44/1,910,070 = 772,274.64/x
  3. Step 3: Cross multiply
    1,384,068.44x = 1,910,070 × 772,274.64
  4. Step 4: Simplify right side
    1,384,068.44x = 1,475,098,621,624.80
  5. Step 5: Solve for x
    x = 1,475,098,621,624.80/1,384,068.44
  6. Step 6: Final answer
    x = 1,065,770.00

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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.