Home / 1,039,759.20-1,559,638.80-291,805.20

Finding the Fourth Proportional to 1,039,759.20, 1,559,638.80 and 291,805.20

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Solution

The fourth proportional to 1,039,759.20, 1,559,638.80 and 291,805.20 is: 437,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,759.20 : 1,559,638.80 = 291,805.20 : x
  2. Step 2: Convert to fraction form
    1,039,759.20/1,559,638.80 = 291,805.20/x
  3. Step 3: Cross multiply
    1,039,759.20x = 1,559,638.80 × 291,805.20
  4. Step 4: Simplify right side
    1,039,759.20x = 455,110,711,961.76
  5. Step 5: Solve for x
    x = 455,110,711,961.76/1,039,759.20
  6. Step 6: Final answer
    x = 437,707.80

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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.