Home / 830,005.60-1,245,591.60-531,212.80

Finding the Fourth Proportional to 830,005.60, 1,245,591.60 and 531,212.80

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Solution

The fourth proportional to 830,005.60, 1,245,591.60 and 531,212.80 is: 797,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,005.60 : 1,245,591.60 = 531,212.80 : x
  2. Step 2: Convert to fraction form
    830,005.60/1,245,591.60 = 531,212.80/x
  3. Step 3: Cross multiply
    830,005.60x = 1,245,591.60 × 531,212.80
  4. Step 4: Simplify right side
    830,005.60x = 661,674,201,492.48
  5. Step 5: Solve for x
    x = 661,674,201,492.48/830,005.60
  6. Step 6: Final answer
    x = 797,192.45

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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.