Home / 753,897.92-1,040,387.16-409,733.84

Finding the Fourth Proportional to 753,897.92, 1,040,387.16 and 409,733.84

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Solution

The fourth proportional to 753,897.92, 1,040,387.16 and 409,733.84 is: 565,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,897.92 : 1,040,387.16 = 409,733.84 : x
  2. Step 2: Convert to fraction form
    753,897.92/1,040,387.16 = 409,733.84/x
  3. Step 3: Cross multiply
    753,897.92x = 1,040,387.16 × 409,733.84
  4. Step 4: Simplify right side
    753,897.92x = 426,281,826,153.49
  5. Step 5: Solve for x
    x = 426,281,826,153.49/753,897.92
  6. Step 6: Final answer
    x = 565,437.06

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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.