Home / 1,188,457.40-1,781,898.90-656,233.40

Finding the Fourth Proportional to 1,188,457.40, 1,781,898.90 and 656,233.40

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Solution

The fourth proportional to 1,188,457.40, 1,781,898.90 and 656,233.40 is: 983,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,457.40 : 1,781,898.90 = 656,233.40 : x
  2. Step 2: Convert to fraction form
    1,188,457.40/1,781,898.90 = 656,233.40/x
  3. Step 3: Cross multiply
    1,188,457.40x = 1,781,898.90 × 656,233.40
  4. Step 4: Simplify right side
    1,188,457.40x = 1,169,341,573,603.26
  5. Step 5: Solve for x
    x = 1,169,341,573,603.26/1,188,457.40
  6. Step 6: Final answer
    x = 983,915.43

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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.