Home / 840,521.41-1,159,914.13-477,945.26

Finding the Fourth Proportional to 840,521.41, 1,159,914.13 and 477,945.26

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Solution

The fourth proportional to 840,521.41, 1,159,914.13 and 477,945.26 is: 659,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,521.41 : 1,159,914.13 = 477,945.26 : x
  2. Step 2: Convert to fraction form
    840,521.41/1,159,914.13 = 477,945.26/x
  3. Step 3: Cross multiply
    840,521.41x = 1,159,914.13 × 477,945.26
  4. Step 4: Simplify right side
    840,521.41x = 554,375,457,795.77
  5. Step 5: Solve for x
    x = 554,375,457,795.77/840,521.41
  6. Step 6: Final answer
    x = 659,561.38

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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.