Home / 808,015.60-1,210,986.60-620,095.60

Finding the Fourth Proportional to 808,015.60, 1,210,986.60 and 620,095.60

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Solution

The fourth proportional to 808,015.60, 1,210,986.60 and 620,095.60 is: 929,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,015.60 : 1,210,986.60 = 620,095.60 : x
  2. Step 2: Convert to fraction form
    808,015.60/1,210,986.60 = 620,095.60/x
  3. Step 3: Cross multiply
    808,015.60x = 1,210,986.60 × 620,095.60
  4. Step 4: Simplify right side
    808,015.60x = 750,927,462,318.96
  5. Step 5: Solve for x
    x = 750,927,462,318.96/808,015.60
  6. Step 6: Final answer
    x = 929,347.73

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1.5x scale

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.