Home / 654,235.20-983,977.20-586,000.80

Finding the Fourth Proportional to 654,235.20, 983,977.20 and 586,000.80

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Solution

The fourth proportional to 654,235.20, 983,977.20 and 586,000.80 is: 881,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,235.20 : 983,977.20 = 586,000.80 : x
  2. Step 2: Convert to fraction form
    654,235.20/983,977.20 = 586,000.80/x
  3. Step 3: Cross multiply
    654,235.20x = 983,977.20 × 586,000.80
  4. Step 4: Simplify right side
    654,235.20x = 576,611,426,381.76
  5. Step 5: Solve for x
    x = 576,611,426,381.76/654,235.20
  6. Step 6: Final answer
    x = 881,351.88

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Half scale
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Double scale
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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.