Home / 1,505,223.66-2,077,209.74-816,895.34

Finding the Fourth Proportional to 1,505,223.66, 2,077,209.74 and 816,895.34

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Solution

The fourth proportional to 1,505,223.66, 2,077,209.74 and 816,895.34 is: 1,127,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,223.66 : 2,077,209.74 = 816,895.34 : x
  2. Step 2: Convert to fraction form
    1,505,223.66/2,077,209.74 = 816,895.34/x
  3. Step 3: Cross multiply
    1,505,223.66x = 2,077,209.74 × 816,895.34
  4. Step 4: Simplify right side
    1,505,223.66x = 1,696,862,948,464.80
  5. Step 5: Solve for x
    x = 1,696,862,948,464.80/1,505,223.66
  6. Step 6: Final answer
    x = 1,127,316.15

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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.