Home / 984,739.60-1,477,109.40-563,669.20

Finding the Fourth Proportional to 984,739.60, 1,477,109.40 and 563,669.20

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Solution

The fourth proportional to 984,739.60, 1,477,109.40 and 563,669.20 is: 845,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,739.60 : 1,477,109.40 = 563,669.20 : x
  2. Step 2: Convert to fraction form
    984,739.60/1,477,109.40 = 563,669.20/x
  3. Step 3: Cross multiply
    984,739.60x = 1,477,109.40 × 563,669.20
  4. Step 4: Simplify right side
    984,739.60x = 832,601,073,810.48
  5. Step 5: Solve for x
    x = 832,601,073,810.48/984,739.60
  6. Step 6: Final answer
    x = 845,503.80

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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.