Home / 785,355.20-1,178,032.80-536,523.20

Finding the Fourth Proportional to 785,355.20, 1,178,032.80 and 536,523.20

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Solution

The fourth proportional to 785,355.20, 1,178,032.80 and 536,523.20 is: 804,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,355.20 : 1,178,032.80 = 536,523.20 : x
  2. Step 2: Convert to fraction form
    785,355.20/1,178,032.80 = 536,523.20/x
  3. Step 3: Cross multiply
    785,355.20x = 1,178,032.80 × 536,523.20
  4. Step 4: Simplify right side
    785,355.20x = 632,041,927,560.96
  5. Step 5: Solve for x
    x = 632,041,927,560.96/785,355.20
  6. Step 6: Final answer
    x = 804,784.80

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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.