Home / 1,186,130.64-1,636,977.48-676,909.56

Finding the Fourth Proportional to 1,186,130.64, 1,636,977.48 and 676,909.56

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Solution

The fourth proportional to 1,186,130.64, 1,636,977.48 and 676,909.56 is: 934,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,130.64 : 1,636,977.48 = 676,909.56 : x
  2. Step 2: Convert to fraction form
    1,186,130.64/1,636,977.48 = 676,909.56/x
  3. Step 3: Cross multiply
    1,186,130.64x = 1,636,977.48 × 676,909.56
  4. Step 4: Simplify right side
    1,186,130.64x = 1,108,085,705,716.71
  5. Step 5: Solve for x
    x = 1,108,085,705,716.71/1,186,130.64
  6. Step 6: Final answer
    x = 934,202.08

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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.