Home / 1,333,440.15-1,840,147.35-721,592.90

Finding the Fourth Proportional to 1,333,440.15, 1,840,147.35 and 721,592.90

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Solution

The fourth proportional to 1,333,440.15, 1,840,147.35 and 721,592.90 is: 995,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,440.15 : 1,840,147.35 = 721,592.90 : x
  2. Step 2: Convert to fraction form
    1,333,440.15/1,840,147.35 = 721,592.90/x
  3. Step 3: Cross multiply
    1,333,440.15x = 1,840,147.35 × 721,592.90
  4. Step 4: Simplify right side
    1,333,440.15x = 1,327,837,262,713.82
  5. Step 5: Solve for x
    x = 1,327,837,262,713.82/1,333,440.15
  6. Step 6: Final answer
    x = 995,798.17

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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.