Home / 1,186,132.64-1,636,980.24-676,911.56

Finding the Fourth Proportional to 1,186,132.64, 1,636,980.24 and 676,911.56

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Solution

The fourth proportional to 1,186,132.64, 1,636,980.24 and 676,911.56 is: 934,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,132.64 : 1,636,980.24 = 676,911.56 : x
  2. Step 2: Convert to fraction form
    1,186,132.64/1,636,980.24 = 676,911.56/x
  3. Step 3: Cross multiply
    1,186,132.64x = 1,636,980.24 × 676,911.56
  4. Step 4: Simplify right side
    1,186,132.64x = 1,108,090,847,947.57
  5. Step 5: Solve for x
    x = 1,108,090,847,947.57/1,186,132.64
  6. Step 6: Final answer
    x = 934,204.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.