Home / 544,043.12-751,145.60-486,503.15

Finding the Fourth Proportional to 544,043.12, 751,145.60 and 486,503.15

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Solution

The fourth proportional to 544,043.12, 751,145.60 and 486,503.15 is: 671,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,043.12 : 751,145.60 = 486,503.15 : x
  2. Step 2: Convert to fraction form
    544,043.12/751,145.60 = 486,503.15/x
  3. Step 3: Cross multiply
    544,043.12x = 751,145.60 × 486,503.15
  4. Step 4: Simplify right side
    544,043.12x = 365,434,697,969.17
  5. Step 5: Solve for x
    x = 365,434,697,969.17/544,043.12
  6. Step 6: Final answer
    x = 671,701.72

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.