Home / 470,933.40-706,400.10-155,373.60

Finding the Fourth Proportional to 470,933.40, 706,400.10 and 155,373.60

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Solution

The fourth proportional to 470,933.40, 706,400.10 and 155,373.60 is: 233,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,933.40 : 706,400.10 = 155,373.60 : x
  2. Step 2: Convert to fraction form
    470,933.40/706,400.10 = 155,373.60/x
  3. Step 3: Cross multiply
    470,933.40x = 706,400.10 × 155,373.60
  4. Step 4: Simplify right side
    470,933.40x = 109,755,926,577.36
  5. Step 5: Solve for x
    x = 109,755,926,577.36/470,933.40
  6. Step 6: Final answer
    x = 233,060.40

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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.