Home / 540,917.80-811,376.70-146,933.80

Finding the Fourth Proportional to 540,917.80, 811,376.70 and 146,933.80

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Solution

The fourth proportional to 540,917.80, 811,376.70 and 146,933.80 is: 220,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,917.80 : 811,376.70 = 146,933.80 : x
  2. Step 2: Convert to fraction form
    540,917.80/811,376.70 = 146,933.80/x
  3. Step 3: Cross multiply
    540,917.80x = 811,376.70 × 146,933.80
  4. Step 4: Simplify right side
    540,917.80x = 119,218,661,762.46
  5. Step 5: Solve for x
    x = 119,218,661,762.46/540,917.80
  6. Step 6: Final answer
    x = 220,400.70

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Similar ratio
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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.