Home / 1,024,154.76-1,412,939.38-641,515.40

Finding the Fourth Proportional to 1,024,154.76, 1,412,939.38 and 641,515.40

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Solution

The fourth proportional to 1,024,154.76, 1,412,939.38 and 641,515.40 is: 885,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,154.76 : 1,412,939.38 = 641,515.40 : x
  2. Step 2: Convert to fraction form
    1,024,154.76/1,412,939.38 = 641,515.40/x
  3. Step 3: Cross multiply
    1,024,154.76x = 1,412,939.38 × 641,515.40
  4. Step 4: Simplify right side
    1,024,154.76x = 906,422,371,536.45
  5. Step 5: Solve for x
    x = 906,422,371,536.45/1,024,154.76
  6. Step 6: Final answer
    x = 885,044.34

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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.