Home / 1,333,455.64-1,840,155.78-721,595.32

Finding the Fourth Proportional to 1,333,455.64, 1,840,155.78 and 721,595.32

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Solution

The fourth proportional to 1,333,455.64, 1,840,155.78 and 721,595.32 is: 995,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,455.64 : 1,840,155.78 = 721,595.32 : x
  2. Step 2: Convert to fraction form
    1,333,455.64/1,840,155.78 = 721,595.32/x
  3. Step 3: Cross multiply
    1,333,455.64x = 1,840,155.78 × 721,595.32
  4. Step 4: Simplify right side
    1,333,455.64x = 1,327,847,798,918.95
  5. Step 5: Solve for x
    x = 1,327,847,798,918.95/1,333,455.64
  6. Step 6: Final answer
    x = 995,794.50

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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.