Home / 1,154,500.40-1,731,750.60-406,449.20

Finding the Fourth Proportional to 1,154,500.40, 1,731,750.60 and 406,449.20

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Solution

The fourth proportional to 1,154,500.40, 1,731,750.60 and 406,449.20 is: 609,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,500.40 : 1,731,750.60 = 406,449.20 : x
  2. Step 2: Convert to fraction form
    1,154,500.40/1,731,750.60 = 406,449.20/x
  3. Step 3: Cross multiply
    1,154,500.40x = 1,731,750.60 × 406,449.20
  4. Step 4: Simplify right side
    1,154,500.40x = 703,868,645,969.52
  5. Step 5: Solve for x
    x = 703,868,645,969.52/1,154,500.40
  6. Step 6: Final answer
    x = 609,673.80

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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.