Home / 532,419.69-734,733.61-290,701.52

Finding the Fourth Proportional to 532,419.69, 734,733.61 and 290,701.52

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Solution

The fourth proportional to 532,419.69, 734,733.61 and 290,701.52 is: 401,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,419.69 : 734,733.61 = 290,701.52 : x
  2. Step 2: Convert to fraction form
    532,419.69/734,733.61 = 290,701.52/x
  3. Step 3: Cross multiply
    532,419.69x = 734,733.61 × 290,701.52
  4. Step 4: Simplify right side
    532,419.69x = 213,588,172,821.67
  5. Step 5: Solve for x
    x = 213,588,172,821.67/532,419.69
  6. Step 6: Final answer
    x = 401,165.05

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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.