Home / 1,043,739.60-1,565,609.40-545,038.80

Finding the Fourth Proportional to 1,043,739.60, 1,565,609.40 and 545,038.80

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Solution

The fourth proportional to 1,043,739.60, 1,565,609.40 and 545,038.80 is: 817,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,739.60 : 1,565,609.40 = 545,038.80 : x
  2. Step 2: Convert to fraction form
    1,043,739.60/1,565,609.40 = 545,038.80/x
  3. Step 3: Cross multiply
    1,043,739.60x = 1,565,609.40 × 545,038.80
  4. Step 4: Simplify right side
    1,043,739.60x = 853,317,868,644.72
  5. Step 5: Solve for x
    x = 853,317,868,644.72/1,043,739.60
  6. Step 6: Final answer
    x = 817,558.20

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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.