Home / 532,419.94-734,733.95-290,701.77

Finding the Fourth Proportional to 532,419.94, 734,733.95 and 290,701.77

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Solution

The fourth proportional to 532,419.94, 734,733.95 and 290,701.77 is: 401,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,419.94 : 734,733.95 = 290,701.77 : x
  2. Step 2: Convert to fraction form
    532,419.94/734,733.95 = 290,701.77/x
  3. Step 3: Cross multiply
    532,419.94x = 734,733.95 × 290,701.77
  4. Step 4: Simplify right side
    532,419.94x = 213,588,459,744.09
  5. Step 5: Solve for x
    x = 213,588,459,744.09/532,419.94
  6. Step 6: Final answer
    x = 401,165.40

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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.