Home / 697,956.32-1,044,867.76-430,858.02

Finding the Fourth Proportional to 697,956.32, 1,044,867.76 and 430,858.02

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Solution

The fourth proportional to 697,956.32, 1,044,867.76 and 430,858.02 is: 645,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,956.32 : 1,044,867.76 = 430,858.02 : x
  2. Step 2: Convert to fraction form
    697,956.32/1,044,867.76 = 430,858.02/x
  3. Step 3: Cross multiply
    697,956.32x = 1,044,867.76 × 430,858.02
  4. Step 4: Simplify right side
    697,956.32x = 450,189,654,235.44
  5. Step 5: Solve for x
    x = 450,189,654,235.44/697,956.32
  6. Step 6: Final answer
    x = 645,011.22

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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.