Home / 1,076,338-1,485,346.80-623,891.44

Finding the Fourth Proportional to 1,076,338, 1,485,346.80 and 623,891.44

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Solution

The fourth proportional to 1,076,338, 1,485,346.80 and 623,891.44 is: 860,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,338 : 1,485,346.80 = 623,891.44 : x
  2. Step 2: Convert to fraction form
    1,076,338/1,485,346.80 = 623,891.44/x
  3. Step 3: Cross multiply
    1,076,338x = 1,485,346.80 × 623,891.44
  4. Step 4: Simplify right side
    1,076,338x = 926,695,153,951.39
  5. Step 5: Solve for x
    x = 926,695,153,951.39/1,076,338
  6. Step 6: Final answer
    x = 860,970.40

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Double scale
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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.