Home / 930,116.90-1,395,175.35-256,302.20

Finding the Fourth Proportional to 930,116.90, 1,395,175.35 and 256,302.20

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Solution

The fourth proportional to 930,116.90, 1,395,175.35 and 256,302.20 is: 384,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,116.90 : 1,395,175.35 = 256,302.20 : x
  2. Step 2: Convert to fraction form
    930,116.90/1,395,175.35 = 256,302.20/x
  3. Step 3: Cross multiply
    930,116.90x = 1,395,175.35 × 256,302.20
  4. Step 4: Simplify right side
    930,116.90x = 357,586,511,590.77
  5. Step 5: Solve for x
    x = 357,586,511,590.77/930,116.90
  6. Step 6: Final answer
    x = 384,453.30

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Half scale
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Double scale
Find fourth proportional to 930,117.90, 1,395,176.85 and 256,303.20
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.