Home / 773,735.40-1,160,603.10-490,300.20

Finding the Fourth Proportional to 773,735.40, 1,160,603.10 and 490,300.20

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Solution

The fourth proportional to 773,735.40, 1,160,603.10 and 490,300.20 is: 735,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,735.40 : 1,160,603.10 = 490,300.20 : x
  2. Step 2: Convert to fraction form
    773,735.40/1,160,603.10 = 490,300.20/x
  3. Step 3: Cross multiply
    773,735.40x = 1,160,603.10 × 490,300.20
  4. Step 4: Simplify right side
    773,735.40x = 569,043,932,050.62
  5. Step 5: Solve for x
    x = 569,043,932,050.62/773,735.40
  6. Step 6: Final answer
    x = 735,450.30

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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.