Home / 1,056,210.72-1,457,571.51-572,775.72

Finding the Fourth Proportional to 1,056,210.72, 1,457,571.51 and 572,775.72

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Solution

The fourth proportional to 1,056,210.72, 1,457,571.51 and 572,775.72 is: 790,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,210.72 : 1,457,571.51 = 572,775.72 : x
  2. Step 2: Convert to fraction form
    1,056,210.72/1,457,571.51 = 572,775.72/x
  3. Step 3: Cross multiply
    1,056,210.72x = 1,457,571.51 × 572,775.72
  4. Step 4: Simplify right side
    1,056,210.72x = 834,861,571,091.74
  5. Step 5: Solve for x
    x = 834,861,571,091.74/1,056,210.72
  6. Step 6: Final answer
    x = 790,430.88

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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.