Home / 999,713.61-1,499,632.71-400,596.93

Finding the Fourth Proportional to 999,713.61, 1,499,632.71 and 400,596.93

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Solution

The fourth proportional to 999,713.61, 1,499,632.71 and 400,596.93 is: 600,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,713.61 : 1,499,632.71 = 400,596.93 : x
  2. Step 2: Convert to fraction form
    999,713.61/1,499,632.71 = 400,596.93/x
  3. Step 3: Cross multiply
    999,713.61x = 1,499,632.71 × 400,596.93
  4. Step 4: Simplify right side
    999,713.61x = 600,748,259,753.58
  5. Step 5: Solve for x
    x = 600,748,259,753.58/999,713.61
  6. Step 6: Final answer
    x = 600,920.36

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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.