Home / 707,573.14-1,059,742.81-555,423.89

Finding the Fourth Proportional to 707,573.14, 1,059,742.81 and 555,423.89

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Solution

The fourth proportional to 707,573.14, 1,059,742.81 and 555,423.89 is: 831,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,573.14 : 1,059,742.81 = 555,423.89 : x
  2. Step 2: Convert to fraction form
    707,573.14/1,059,742.81 = 555,423.89/x
  3. Step 3: Cross multiply
    707,573.14x = 1,059,742.81 × 555,423.89
  4. Step 4: Simplify right side
    707,573.14x = 588,606,473,929.73
  5. Step 5: Solve for x
    x = 588,606,473,929.73/707,573.14
  6. Step 6: Final answer
    x = 831,866.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.