Home / 1,686,661.04-2,530,329.60-621,707.60

Finding the Fourth Proportional to 1,686,661.04, 2,530,329.60 and 621,707.60

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Solution

The fourth proportional to 1,686,661.04, 2,530,329.60 and 621,707.60 is: 932,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,661.04 : 2,530,329.60 = 621,707.60 : x
  2. Step 2: Convert to fraction form
    1,686,661.04/2,530,329.60 = 621,707.60/x
  3. Step 3: Cross multiply
    1,686,661.04x = 2,530,329.60 × 621,707.60
  4. Step 4: Simplify right side
    1,686,661.04x = 1,573,125,142,824.96
  5. Step 5: Solve for x
    x = 1,573,125,142,824.96/1,686,661.04
  6. Step 6: Final answer
    x = 932,686.00

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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.