Home / 830,051.10-1,246,243.05-515,123.10

Finding the Fourth Proportional to 830,051.10, 1,246,243.05 and 515,123.10

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Solution

The fourth proportional to 830,051.10, 1,246,243.05 and 515,123.10 is: 773,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,051.10 : 1,246,243.05 = 515,123.10 : x
  2. Step 2: Convert to fraction form
    830,051.10/1,246,243.05 = 515,123.10/x
  3. Step 3: Cross multiply
    830,051.10x = 1,246,243.05 × 515,123.10
  4. Step 4: Simplify right side
    830,051.10x = 641,968,583,269.46
  5. Step 5: Solve for x
    x = 641,968,583,269.46/830,051.10
  6. Step 6: Final answer
    x = 773,408.51

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Half scale
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Double scale
Find fourth proportional to 830,052.10, 1,246,244.55 and 515,124.10
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.