Home / 1,645,520.14-2,270,700.57-957,300.40

Finding the Fourth Proportional to 1,645,520.14, 2,270,700.57 and 957,300.40

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Solution

The fourth proportional to 1,645,520.14, 2,270,700.57 and 957,300.40 is: 1,321,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,520.14 : 2,270,700.57 = 957,300.40 : x
  2. Step 2: Convert to fraction form
    1,645,520.14/2,270,700.57 = 957,300.40/x
  3. Step 3: Cross multiply
    1,645,520.14x = 2,270,700.57 × 957,300.40
  4. Step 4: Simplify right side
    1,645,520.14x = 2,173,742,563,941.23
  5. Step 5: Solve for x
    x = 2,173,742,563,941.23/1,645,520.14
  6. Step 6: Final answer
    x = 1,321,006.36

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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.