Home / 1,332,703.49-1,999,053.68-434,143.79

Finding the Fourth Proportional to 1,332,703.49, 1,999,053.68 and 434,143.79

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Solution

The fourth proportional to 1,332,703.49, 1,999,053.68 and 434,143.79 is: 651,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,703.49 : 1,999,053.68 = 434,143.79 : x
  2. Step 2: Convert to fraction form
    1,332,703.49/1,999,053.68 = 434,143.79/x
  3. Step 3: Cross multiply
    1,332,703.49x = 1,999,053.68 × 434,143.79
  4. Step 4: Simplify right side
    1,332,703.49x = 867,876,728,882.66
  5. Step 5: Solve for x
    x = 867,876,728,882.66/1,332,703.49
  6. Step 6: Final answer
    x = 651,215.17

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Double scale
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1.5x scale

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.