Home / 1,488,147.84-2,053,728-809,069.76

Finding the Fourth Proportional to 1,488,147.84, 2,053,728 and 809,069.76

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Solution

The fourth proportional to 1,488,147.84, 2,053,728 and 809,069.76 is: 1,116,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,147.84 : 2,053,728 = 809,069.76 : x
  2. Step 2: Convert to fraction form
    1,488,147.84/2,053,728 = 809,069.76/x
  3. Step 3: Cross multiply
    1,488,147.84x = 2,053,728 × 809,069.76
  4. Step 4: Simplify right side
    1,488,147.84x = 1,661,609,220,065.28
  5. Step 5: Solve for x
    x = 1,661,609,220,065.28/1,488,147.84
  6. Step 6: Final answer
    x = 1,116,561.93

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1.5x scale

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.