Home / 1,112,999.73-1,668,946.76-354,742.53

Finding the Fourth Proportional to 1,112,999.73, 1,668,946.76 and 354,742.53

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Solution

The fourth proportional to 1,112,999.73, 1,668,946.76 and 354,742.53 is: 531,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,999.73 : 1,668,946.76 = 354,742.53 : x
  2. Step 2: Convert to fraction form
    1,112,999.73/1,668,946.76 = 354,742.53/x
  3. Step 3: Cross multiply
    1,112,999.73x = 1,668,946.76 × 354,742.53
  4. Step 4: Simplify right side
    1,112,999.73x = 592,046,396,077.70
  5. Step 5: Solve for x
    x = 592,046,396,077.70/1,112,999.73
  6. Step 6: Final answer
    x = 531,937.59

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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.