Home / 651,743.16-977,682.24-178,428.48

Finding the Fourth Proportional to 651,743.16, 977,682.24 and 178,428.48

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Solution

The fourth proportional to 651,743.16, 977,682.24 and 178,428.48 is: 267,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,743.16 : 977,682.24 = 178,428.48 : x
  2. Step 2: Convert to fraction form
    651,743.16/977,682.24 = 178,428.48/x
  3. Step 3: Cross multiply
    651,743.16x = 977,682.24 × 178,428.48
  4. Step 4: Simplify right side
    651,743.16x = 174,446,356,006.20
  5. Step 5: Solve for x
    x = 174,446,356,006.20/651,743.16
  6. Step 6: Final answer
    x = 267,661.20

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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.