Home / 1,212,332.80-1,819,600.80-613,710.40

Finding the Fourth Proportional to 1,212,332.80, 1,819,600.80 and 613,710.40

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Solution

The fourth proportional to 1,212,332.80, 1,819,600.80 and 613,710.40 is: 921,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,332.80 : 1,819,600.80 = 613,710.40 : x
  2. Step 2: Convert to fraction form
    1,212,332.80/1,819,600.80 = 613,710.40/x
  3. Step 3: Cross multiply
    1,212,332.80x = 1,819,600.80 × 613,710.40
  4. Step 4: Simplify right side
    1,212,332.80x = 1,116,707,934,808.32
  5. Step 5: Solve for x
    x = 1,116,707,934,808.32/1,212,332.80
  6. Step 6: Final answer
    x = 921,123.25

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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.