Home / 723,125.40-1,084,688.10-605,902.20

Finding the Fourth Proportional to 723,125.40, 1,084,688.10 and 605,902.20

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Solution

The fourth proportional to 723,125.40, 1,084,688.10 and 605,902.20 is: 908,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,125.40 : 1,084,688.10 = 605,902.20 : x
  2. Step 2: Convert to fraction form
    723,125.40/1,084,688.10 = 605,902.20/x
  3. Step 3: Cross multiply
    723,125.40x = 1,084,688.10 × 605,902.20
  4. Step 4: Simplify right side
    723,125.40x = 657,214,906,103.82
  5. Step 5: Solve for x
    x = 657,214,906,103.82/723,125.40
  6. Step 6: Final answer
    x = 908,853.30

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Half scale
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Double scale
Find fourth proportional to 723,126.40, 1,084,689.60 and 605,903.20
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.