Home / 745,475.40-1,118,213.10-246,839.40

Finding the Fourth Proportional to 745,475.40, 1,118,213.10 and 246,839.40

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Solution

The fourth proportional to 745,475.40, 1,118,213.10 and 246,839.40 is: 370,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,475.40 : 1,118,213.10 = 246,839.40 : x
  2. Step 2: Convert to fraction form
    745,475.40/1,118,213.10 = 246,839.40/x
  3. Step 3: Cross multiply
    745,475.40x = 1,118,213.10 × 246,839.40
  4. Step 4: Simplify right side
    745,475.40x = 276,019,050,676.14
  5. Step 5: Solve for x
    x = 276,019,050,676.14/745,475.40
  6. Step 6: Final answer
    x = 370,259.10

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Half scale
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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.