Home / 1,076,346-1,485,357.84-623,899.44

Finding the Fourth Proportional to 1,076,346, 1,485,357.84 and 623,899.44

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Solution

The fourth proportional to 1,076,346, 1,485,357.84 and 623,899.44 is: 860,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,346 : 1,485,357.84 = 623,899.44 : x
  2. Step 2: Convert to fraction form
    1,076,346/1,485,357.84 = 623,899.44/x
  3. Step 3: Cross multiply
    1,076,346x = 1,485,357.84 × 623,899.44
  4. Step 4: Simplify right side
    1,076,346x = 926,713,924,575.61
  5. Step 5: Solve for x
    x = 926,713,924,575.61/1,076,346
  6. Step 6: Final answer
    x = 860,981.44

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.