Home / 697,120.40-1,044,125.40-572,704.40

Finding the Fourth Proportional to 697,120.40, 1,044,125.40 and 572,704.40

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Solution

The fourth proportional to 697,120.40, 1,044,125.40 and 572,704.40 is: 857,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,120.40 : 1,044,125.40 = 572,704.40 : x
  2. Step 2: Convert to fraction form
    697,120.40/1,044,125.40 = 572,704.40/x
  3. Step 3: Cross multiply
    697,120.40x = 1,044,125.40 × 572,704.40
  4. Step 4: Simplify right side
    697,120.40x = 597,975,210,731.76
  5. Step 5: Solve for x
    x = 597,975,210,731.76/697,120.40
  6. Step 6: Final answer
    x = 857,778.96

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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.