Home / 470,897.20-706,342.56-155,379.52

Finding the Fourth Proportional to 470,897.20, 706,342.56 and 155,379.52

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Solution

The fourth proportional to 470,897.20, 706,342.56 and 155,379.52 is: 233,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,897.20 : 706,342.56 = 155,379.52 : x
  2. Step 2: Convert to fraction form
    470,897.20/706,342.56 = 155,379.52/x
  3. Step 3: Cross multiply
    470,897.20x = 706,342.56 × 155,379.52
  4. Step 4: Simplify right side
    470,897.20x = 109,751,167,928.37
  5. Step 5: Solve for x
    x = 109,751,167,928.37/470,897.20
  6. Step 6: Final answer
    x = 233,068.21

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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.