Home / 672,223.40-1,008,335.10-610,015.40

Finding the Fourth Proportional to 672,223.40, 1,008,335.10 and 610,015.40

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Solution

The fourth proportional to 672,223.40, 1,008,335.10 and 610,015.40 is: 915,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,223.40 : 1,008,335.10 = 610,015.40 : x
  2. Step 2: Convert to fraction form
    672,223.40/1,008,335.10 = 610,015.40/x
  3. Step 3: Cross multiply
    672,223.40x = 1,008,335.10 × 610,015.40
  4. Step 4: Simplify right side
    672,223.40x = 615,099,939,360.54
  5. Step 5: Solve for x
    x = 615,099,939,360.54/672,223.40
  6. Step 6: Final answer
    x = 915,023.10

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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.