Home / 808,397.16-1,115,671.32-514,250.88

Finding the Fourth Proportional to 808,397.16, 1,115,671.32 and 514,250.88

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Solution

The fourth proportional to 808,397.16, 1,115,671.32 and 514,250.88 is: 709,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,397.16 : 1,115,671.32 = 514,250.88 : x
  2. Step 2: Convert to fraction form
    808,397.16/1,115,671.32 = 514,250.88/x
  3. Step 3: Cross multiply
    808,397.16x = 1,115,671.32 × 514,250.88
  4. Step 4: Simplify right side
    808,397.16x = 573,734,958,100.76
  5. Step 5: Solve for x
    x = 573,734,958,100.76/808,397.16
  6. Step 6: Final answer
    x = 709,719.17

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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.