Home / 840,204.88-1,159,436.64-477,578.32

Finding the Fourth Proportional to 840,204.88, 1,159,436.64 and 477,578.32

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Solution

The fourth proportional to 840,204.88, 1,159,436.64 and 477,578.32 is: 659,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,204.88 : 1,159,436.64 = 477,578.32 : x
  2. Step 2: Convert to fraction form
    840,204.88/1,159,436.64 = 477,578.32/x
  3. Step 3: Cross multiply
    840,204.88x = 1,159,436.64 × 477,578.32
  4. Step 4: Simplify right side
    840,204.88x = 553,721,802,677.65
  5. Step 5: Solve for x
    x = 553,721,802,677.65/840,204.88
  6. Step 6: Final answer
    x = 659,031.88

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Double scale
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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.