Home / 895,511.80-1,343,267.70-612,076.60

Finding the Fourth Proportional to 895,511.80, 1,343,267.70 and 612,076.60

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Solution

The fourth proportional to 895,511.80, 1,343,267.70 and 612,076.60 is: 918,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,511.80 : 1,343,267.70 = 612,076.60 : x
  2. Step 2: Convert to fraction form
    895,511.80/1,343,267.70 = 612,076.60/x
  3. Step 3: Cross multiply
    895,511.80x = 1,343,267.70 × 612,076.60
  4. Step 4: Simplify right side
    895,511.80x = 822,182,726,705.82
  5. Step 5: Solve for x
    x = 822,182,726,705.82/895,511.80
  6. Step 6: Final answer
    x = 918,114.90

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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.