Home / 763,125.11-1,053,059.94-423,566.63

Finding the Fourth Proportional to 763,125.11, 1,053,059.94 and 423,566.63

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Solution

The fourth proportional to 763,125.11, 1,053,059.94 and 423,566.63 is: 584,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,125.11 : 1,053,059.94 = 423,566.63 : x
  2. Step 2: Convert to fraction form
    763,125.11/1,053,059.94 = 423,566.63/x
  3. Step 3: Cross multiply
    763,125.11x = 1,053,059.94 × 423,566.63
  4. Step 4: Simplify right side
    763,125.11x = 446,041,044,708.50
  5. Step 5: Solve for x
    x = 446,041,044,708.50/763,125.11
  6. Step 6: Final answer
    x = 584,492.69

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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.