Home / 1,165,983.76-1,748,622.56-407,683.87

Finding the Fourth Proportional to 1,165,983.76, 1,748,622.56 and 407,683.87

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Solution

The fourth proportional to 1,165,983.76, 1,748,622.56 and 407,683.87 is: 611,402.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,983.76 : 1,748,622.56 = 407,683.87 : x
  2. Step 2: Convert to fraction form
    1,165,983.76/1,748,622.56 = 407,683.87/x
  3. Step 3: Cross multiply
    1,165,983.76x = 1,748,622.56 × 407,683.87
  4. Step 4: Simplify right side
    1,165,983.76x = 712,885,201,648.58
  5. Step 5: Solve for x
    x = 712,885,201,648.58/1,165,983.76
  6. Step 6: Final answer
    x = 611,402.34

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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.