Home / 753,864.06-1,040,332.95-414,332.22

Finding the Fourth Proportional to 753,864.06, 1,040,332.95 and 414,332.22

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Solution

The fourth proportional to 753,864.06, 1,040,332.95 and 414,332.22 is: 571,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,864.06 : 1,040,332.95 = 414,332.22 : x
  2. Step 2: Convert to fraction form
    753,864.06/1,040,332.95 = 414,332.22/x
  3. Step 3: Cross multiply
    753,864.06x = 1,040,332.95 × 414,332.22
  4. Step 4: Simplify right side
    753,864.06x = 431,043,460,712.65
  5. Step 5: Solve for x
    x = 431,043,460,712.65/753,864.06
  6. Step 6: Final answer
    x = 571,778.76

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1.5x scale

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.