Home / 960,129.18-1,325,018.52-552,231.12

Finding the Fourth Proportional to 960,129.18, 1,325,018.52 and 552,231.12

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Solution

The fourth proportional to 960,129.18, 1,325,018.52 and 552,231.12 is: 762,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,129.18 : 1,325,018.52 = 552,231.12 : x
  2. Step 2: Convert to fraction form
    960,129.18/1,325,018.52 = 552,231.12/x
  3. Step 3: Cross multiply
    960,129.18x = 1,325,018.52 × 552,231.12
  4. Step 4: Simplify right side
    960,129.18x = 731,716,461,320.34
  5. Step 5: Solve for x
    x = 731,716,461,320.34/960,129.18
  6. Step 6: Final answer
    x = 762,102.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.