Home / 780,801.60-1,169,452.80-623,337.60

Finding the Fourth Proportional to 780,801.60, 1,169,452.80 and 623,337.60

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Solution

The fourth proportional to 780,801.60, 1,169,452.80 and 623,337.60 is: 933,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,801.60 : 1,169,452.80 = 623,337.60 : x
  2. Step 2: Convert to fraction form
    780,801.60/1,169,452.80 = 623,337.60/x
  3. Step 3: Cross multiply
    780,801.60x = 1,169,452.80 × 623,337.60
  4. Step 4: Simplify right side
    780,801.60x = 728,963,901,665.28
  5. Step 5: Solve for x
    x = 728,963,901,665.28/780,801.60
  6. Step 6: Final answer
    x = 933,609.64

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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.