Home / 1,165,407.60-1,748,331.90-455,390.76

Finding the Fourth Proportional to 1,165,407.60, 1,748,331.90 and 455,390.76

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Solution

The fourth proportional to 1,165,407.60, 1,748,331.90 and 455,390.76 is: 683,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,407.60 : 1,748,331.90 = 455,390.76 : x
  2. Step 2: Convert to fraction form
    1,165,407.60/1,748,331.90 = 455,390.76/x
  3. Step 3: Cross multiply
    1,165,407.60x = 1,748,331.90 × 455,390.76
  4. Step 4: Simplify right side
    1,165,407.60x = 796,174,192,673.24
  5. Step 5: Solve for x
    x = 796,174,192,673.24/1,165,407.60
  6. Step 6: Final answer
    x = 683,172.30

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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.