Home / 929,926.65-1,283,341.31-516,465.05

Finding the Fourth Proportional to 929,926.65, 1,283,341.31 and 516,465.05

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Solution

The fourth proportional to 929,926.65, 1,283,341.31 and 516,465.05 is: 712,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,926.65 : 1,283,341.31 = 516,465.05 : x
  2. Step 2: Convert to fraction form
    929,926.65/1,283,341.31 = 516,465.05/x
  3. Step 3: Cross multiply
    929,926.65x = 1,283,341.31 × 516,465.05
  4. Step 4: Simplify right side
    929,926.65x = 662,800,931,461.77
  5. Step 5: Solve for x
    x = 662,800,931,461.77/929,926.65
  6. Step 6: Final answer
    x = 712,745.39

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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.