Home / 559,975.20-839,962.80-336,026.40

Finding the Fourth Proportional to 559,975.20, 839,962.80 and 336,026.40

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Solution

The fourth proportional to 559,975.20, 839,962.80 and 336,026.40 is: 504,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,975.20 : 839,962.80 = 336,026.40 : x
  2. Step 2: Convert to fraction form
    559,975.20/839,962.80 = 336,026.40/x
  3. Step 3: Cross multiply
    559,975.20x = 839,962.80 × 336,026.40
  4. Step 4: Simplify right side
    559,975.20x = 282,249,675,817.92
  5. Step 5: Solve for x
    x = 282,249,675,817.92/559,975.20
  6. Step 6: Final answer
    x = 504,039.60

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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.