Home / 700,212.60-1,047,986.10-616,231.80

Finding the Fourth Proportional to 700,212.60, 1,047,986.10 and 616,231.80

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Solution

The fourth proportional to 700,212.60, 1,047,986.10 and 616,231.80 is: 922,294.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,212.60 : 1,047,986.10 = 616,231.80 : x
  2. Step 2: Convert to fraction form
    700,212.60/1,047,986.10 = 616,231.80/x
  3. Step 3: Cross multiply
    700,212.60x = 1,047,986.10 × 616,231.80
  4. Step 4: Simplify right side
    700,212.60x = 645,802,360,777.98
  5. Step 5: Solve for x
    x = 645,802,360,777.98/700,212.60
  6. Step 6: Final answer
    x = 922,294.69

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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.