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Finding the Fourth Proportional to 1,157,700.69, 1,596,748.41 and 1,014,211.62

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Solution

The fourth proportional to 1,157,700.69, 1,596,748.41 and 1,014,211.62 is: 1,398,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,700.69 : 1,596,748.41 = 1,014,211.62 : x
  2. Step 2: Convert to fraction form
    1,157,700.69/1,596,748.41 = 1,014,211.62/x
  3. Step 3: Cross multiply
    1,157,700.69x = 1,596,748.41 × 1,014,211.62
  4. Step 4: Simplify right side
    1,157,700.69x = 1,619,440,791,638.52
  5. Step 5: Solve for x
    x = 1,619,440,791,638.52/1,157,700.69
  6. Step 6: Final answer
    x = 1,398,842.38

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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.