Home / 1,177,285.60-1,765,928.40-578,630.80

Finding the Fourth Proportional to 1,177,285.60, 1,765,928.40 and 578,630.80

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Solution

The fourth proportional to 1,177,285.60, 1,765,928.40 and 578,630.80 is: 867,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,285.60 : 1,765,928.40 = 578,630.80 : x
  2. Step 2: Convert to fraction form
    1,177,285.60/1,765,928.40 = 578,630.80/x
  3. Step 3: Cross multiply
    1,177,285.60x = 1,765,928.40 × 578,630.80
  4. Step 4: Simplify right side
    1,177,285.60x = 1,021,820,562,834.72
  5. Step 5: Solve for x
    x = 1,021,820,562,834.72/1,177,285.60
  6. Step 6: Final answer
    x = 867,946.20

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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.