Home / 1,335,345.93-2,003,021.40-324,468.74

Finding the Fourth Proportional to 1,335,345.93, 2,003,021.40 and 324,468.74

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Solution

The fourth proportional to 1,335,345.93, 2,003,021.40 and 324,468.74 is: 486,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,345.93 : 2,003,021.40 = 324,468.74 : x
  2. Step 2: Convert to fraction form
    1,335,345.93/2,003,021.40 = 324,468.74/x
  3. Step 3: Cross multiply
    1,335,345.93x = 2,003,021.40 × 324,468.74
  4. Step 4: Simplify right side
    1,335,345.93x = 649,917,829,851.04
  5. Step 5: Solve for x
    x = 649,917,829,851.04/1,335,345.93
  6. Step 6: Final answer
    x = 486,703.72

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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.