Home / 651,828.30-977,742.45-178,512.90

Finding the Fourth Proportional to 651,828.30, 977,742.45 and 178,512.90

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Solution

The fourth proportional to 651,828.30, 977,742.45 and 178,512.90 is: 267,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,828.30 : 977,742.45 = 178,512.90 : x
  2. Step 2: Convert to fraction form
    651,828.30/977,742.45 = 178,512.90/x
  3. Step 3: Cross multiply
    651,828.30x = 977,742.45 × 178,512.90
  4. Step 4: Simplify right side
    651,828.30x = 174,539,640,202.61
  5. Step 5: Solve for x
    x = 174,539,640,202.61/651,828.30
  6. Step 6: Final answer
    x = 267,769.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.