Home / 1,347,214.80-1,859,360.76-838,081.20

Finding the Fourth Proportional to 1,347,214.80, 1,859,360.76 and 838,081.20

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Solution

The fourth proportional to 1,347,214.80, 1,859,360.76 and 838,081.20 is: 1,156,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,214.80 : 1,859,360.76 = 838,081.20 : x
  2. Step 2: Convert to fraction form
    1,347,214.80/1,859,360.76 = 838,081.20/x
  3. Step 3: Cross multiply
    1,347,214.80x = 1,859,360.76 × 838,081.20
  4. Step 4: Simplify right side
    1,347,214.80x = 1,558,295,296,973.71
  5. Step 5: Solve for x
    x = 1,558,295,296,973.71/1,347,214.80
  6. Step 6: Final answer
    x = 1,156,679.17

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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.