Home / 1,215,671.14-1,677,483.43-671,774.50

Finding the Fourth Proportional to 1,215,671.14, 1,677,483.43 and 671,774.50

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Solution

The fourth proportional to 1,215,671.14, 1,677,483.43 and 671,774.50 is: 926,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,671.14 : 1,677,483.43 = 671,774.50 : x
  2. Step 2: Convert to fraction form
    1,215,671.14/1,677,483.43 = 671,774.50/x
  3. Step 3: Cross multiply
    1,215,671.14x = 1,677,483.43 × 671,774.50
  4. Step 4: Simplify right side
    1,215,671.14x = 1,126,890,592,446.53
  5. Step 5: Solve for x
    x = 1,126,890,592,446.53/1,215,671.14
  6. Step 6: Final answer
    x = 926,969.93

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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.