Home / 672,096.90-1,008,145.35-483,140.10

Finding the Fourth Proportional to 672,096.90, 1,008,145.35 and 483,140.10

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Solution

The fourth proportional to 672,096.90, 1,008,145.35 and 483,140.10 is: 724,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,096.90 : 1,008,145.35 = 483,140.10 : x
  2. Step 2: Convert to fraction form
    672,096.90/1,008,145.35 = 483,140.10/x
  3. Step 3: Cross multiply
    672,096.90x = 1,008,145.35 × 483,140.10
  4. Step 4: Simplify right side
    672,096.90x = 487,075,445,213.54
  5. Step 5: Solve for x
    x = 487,075,445,213.54/672,096.90
  6. Step 6: Final answer
    x = 724,710.15

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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.