Home / 1,182,500.40-1,773,750.60-434,449.20

Finding the Fourth Proportional to 1,182,500.40, 1,773,750.60 and 434,449.20

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Solution

The fourth proportional to 1,182,500.40, 1,773,750.60 and 434,449.20 is: 651,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,500.40 : 1,773,750.60 = 434,449.20 : x
  2. Step 2: Convert to fraction form
    1,182,500.40/1,773,750.60 = 434,449.20/x
  3. Step 3: Cross multiply
    1,182,500.40x = 1,773,750.60 × 434,449.20
  4. Step 4: Simplify right side
    1,182,500.40x = 770,604,529,169.52
  5. Step 5: Solve for x
    x = 770,604,529,169.52/1,182,500.40
  6. Step 6: Final answer
    x = 651,673.80

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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.