Home / 970,116.56-1,338,583.20-540,386

Finding the Fourth Proportional to 970,116.56, 1,338,583.20 and 540,386

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Solution

The fourth proportional to 970,116.56, 1,338,583.20 and 540,386 is: 745,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,116.56 : 1,338,583.20 = 540,386 : x
  2. Step 2: Convert to fraction form
    970,116.56/1,338,583.20 = 540,386/x
  3. Step 3: Cross multiply
    970,116.56x = 1,338,583.20 × 540,386
  4. Step 4: Simplify right side
    970,116.56x = 723,351,621,115.20
  5. Step 5: Solve for x
    x = 723,351,621,115.20/970,116.56
  6. Step 6: Final answer
    x = 745,633.72

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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.