Home / 839,878.83-1,159,031.97-457,905.51

Finding the Fourth Proportional to 839,878.83, 1,159,031.97 and 457,905.51

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Solution

The fourth proportional to 839,878.83, 1,159,031.97 and 457,905.51 is: 631,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,878.83 : 1,159,031.97 = 457,905.51 : x
  2. Step 2: Convert to fraction form
    839,878.83/1,159,031.97 = 457,905.51/x
  3. Step 3: Cross multiply
    839,878.83x = 1,159,031.97 × 457,905.51
  4. Step 4: Simplify right side
    839,878.83x = 530,727,125,329.16
  5. Step 5: Solve for x
    x = 530,727,125,329.16/839,878.83
  6. Step 6: Final answer
    x = 631,909.16

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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.