Home / 1,308,841.35-1,963,262.58-410,353.12

Finding the Fourth Proportional to 1,308,841.35, 1,963,262.58 and 410,353.12

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Solution

The fourth proportional to 1,308,841.35, 1,963,262.58 and 410,353.12 is: 615,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,841.35 : 1,963,262.58 = 410,353.12 : x
  2. Step 2: Convert to fraction form
    1,308,841.35/1,963,262.58 = 410,353.12/x
  3. Step 3: Cross multiply
    1,308,841.35x = 1,963,262.58 × 410,353.12
  4. Step 4: Simplify right side
    1,308,841.35x = 805,630,925,997.50
  5. Step 5: Solve for x
    x = 805,630,925,997.50/1,308,841.35
  6. Step 6: Final answer
    x = 615,529.86

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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.