Home / 1,056,189.87-1,457,542.40-572,754.87

Finding the Fourth Proportional to 1,056,189.87, 1,457,542.40 and 572,754.87

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Solution

The fourth proportional to 1,056,189.87, 1,457,542.40 and 572,754.87 is: 790,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,189.87 : 1,457,542.40 = 572,754.87 : x
  2. Step 2: Convert to fraction form
    1,056,189.87/1,457,542.40 = 572,754.87/x
  3. Step 3: Cross multiply
    1,056,189.87x = 1,457,542.40 × 572,754.87
  4. Step 4: Simplify right side
    1,056,189.87x = 834,814,504,967.71
  5. Step 5: Solve for x
    x = 834,814,504,967.71/1,056,189.87
  6. Step 6: Final answer
    x = 790,401.92

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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.