Home / 699,638.15-1,044,000.69-624,240.11

Finding the Fourth Proportional to 699,638.15, 1,044,000.69 and 624,240.11

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Solution

The fourth proportional to 699,638.15, 1,044,000.69 and 624,240.11 is: 931,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,638.15 : 1,044,000.69 = 624,240.11 : x
  2. Step 2: Convert to fraction form
    699,638.15/1,044,000.69 = 624,240.11/x
  3. Step 3: Cross multiply
    699,638.15x = 1,044,000.69 × 624,240.11
  4. Step 4: Simplify right side
    699,638.15x = 651,707,100,345.67
  5. Step 5: Solve for x
    x = 651,707,100,345.67/699,638.15
  6. Step 6: Final answer
    x = 931,491.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.