Home / 1,056,213.72-1,457,575.65-572,778.72

Finding the Fourth Proportional to 1,056,213.72, 1,457,575.65 and 572,778.72

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Solution

The fourth proportional to 1,056,213.72, 1,457,575.65 and 572,778.72 is: 790,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,213.72 : 1,457,575.65 = 572,778.72 : x
  2. Step 2: Convert to fraction form
    1,056,213.72/1,457,575.65 = 572,778.72/x
  3. Step 3: Cross multiply
    1,056,213.72x = 1,457,575.65 × 572,778.72
  4. Step 4: Simplify right side
    1,056,213.72x = 834,868,315,110.17
  5. Step 5: Solve for x
    x = 834,868,315,110.17/1,056,213.72
  6. Step 6: Final answer
    x = 790,435.02

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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.