Home / 1,572,786.38-2,170,191.98-884,417.20

Finding the Fourth Proportional to 1,572,786.38, 2,170,191.98 and 884,417.20

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Solution

The fourth proportional to 1,572,786.38, 2,170,191.98 and 884,417.20 is: 1,220,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,786.38 : 2,170,191.98 = 884,417.20 : x
  2. Step 2: Convert to fraction form
    1,572,786.38/2,170,191.98 = 884,417.20/x
  3. Step 3: Cross multiply
    1,572,786.38x = 2,170,191.98 × 884,417.20
  4. Step 4: Simplify right side
    1,572,786.38x = 1,919,355,114,414.06
  5. Step 5: Solve for x
    x = 1,919,355,114,414.06/1,572,786.38
  6. Step 6: Final answer
    x = 1,220,353.34

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Double scale
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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.