Home / 762,065.66-1,051,411.29-439,733.45

Finding the Fourth Proportional to 762,065.66, 1,051,411.29 and 439,733.45

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Solution

The fourth proportional to 762,065.66, 1,051,411.29 and 439,733.45 is: 606,694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,065.66 : 1,051,411.29 = 439,733.45 : x
  2. Step 2: Convert to fraction form
    762,065.66/1,051,411.29 = 439,733.45/x
  3. Step 3: Cross multiply
    762,065.66x = 1,051,411.29 × 439,733.45
  4. Step 4: Simplify right side
    762,065.66x = 462,340,708,663.59
  5. Step 5: Solve for x
    x = 462,340,708,663.59/762,065.66
  6. Step 6: Final answer
    x = 606,694.06

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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.