Home / 696,638.48-1,042,948.92-624,606.80

Finding the Fourth Proportional to 696,638.48, 1,042,948.92 and 624,606.80

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Solution

The fourth proportional to 696,638.48, 1,042,948.92 and 624,606.80 is: 935,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,638.48 : 1,042,948.92 = 624,606.80 : x
  2. Step 2: Convert to fraction form
    696,638.48/1,042,948.92 = 624,606.80/x
  3. Step 3: Cross multiply
    696,638.48x = 1,042,948.92 × 624,606.80
  4. Step 4: Simplify right side
    696,638.48x = 651,432,987,484.66
  5. Step 5: Solve for x
    x = 651,432,987,484.66/696,638.48
  6. Step 6: Final answer
    x = 935,109.11

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1.5x scale

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.