Home / 628,676.08-943,014.90-155,354.20

Finding the Fourth Proportional to 628,676.08, 943,014.90 and 155,354.20

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Solution

The fourth proportional to 628,676.08, 943,014.90 and 155,354.20 is: 233,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,676.08 : 943,014.90 = 155,354.20 : x
  2. Step 2: Convert to fraction form
    628,676.08/943,014.90 = 155,354.20/x
  3. Step 3: Cross multiply
    628,676.08x = 943,014.90 × 155,354.20
  4. Step 4: Simplify right side
    628,676.08x = 146,501,325,377.58
  5. Step 5: Solve for x
    x = 146,501,325,377.58/628,676.08
  6. Step 6: Final answer
    x = 233,031.49

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Half scale
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Double scale
Find fourth proportional to 628,677.08, 943,016.40 and 155,355.20
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.