Home / 470,023.02-704,961.63-154,477.80

Finding the Fourth Proportional to 470,023.02, 704,961.63 and 154,477.80

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Solution

The fourth proportional to 470,023.02, 704,961.63 and 154,477.80 is: 231,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,023.02 : 704,961.63 = 154,477.80 : x
  2. Step 2: Convert to fraction form
    470,023.02/704,961.63 = 154,477.80/x
  3. Step 3: Cross multiply
    470,023.02x = 704,961.63 × 154,477.80
  4. Step 4: Simplify right side
    470,023.02x = 108,900,921,686.81
  5. Step 5: Solve for x
    x = 108,900,921,686.81/470,023.02
  6. Step 6: Final answer
    x = 231,692.74

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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.