Home / 808,195.50-1,115,411.04-464,139.36

Finding the Fourth Proportional to 808,195.50, 1,115,411.04 and 464,139.36

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Solution

The fourth proportional to 808,195.50, 1,115,411.04 and 464,139.36 is: 640,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,195.50 : 1,115,411.04 = 464,139.36 : x
  2. Step 2: Convert to fraction form
    808,195.50/1,115,411.04 = 464,139.36/x
  3. Step 3: Cross multiply
    808,195.50x = 1,115,411.04 × 464,139.36
  4. Step 4: Simplify right side
    808,195.50x = 517,706,166,242.53
  5. Step 5: Solve for x
    x = 517,706,166,242.53/808,195.50
  6. Step 6: Final answer
    x = 640,570.46

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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.