Home / 855,569.40-1,283,354.10-816,203.40

Finding the Fourth Proportional to 855,569.40, 1,283,354.10 and 816,203.40

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Solution

The fourth proportional to 855,569.40, 1,283,354.10 and 816,203.40 is: 1,224,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,569.40 : 1,283,354.10 = 816,203.40 : x
  2. Step 2: Convert to fraction form
    855,569.40/1,283,354.10 = 816,203.40/x
  3. Step 3: Cross multiply
    855,569.40x = 1,283,354.10 × 816,203.40
  4. Step 4: Simplify right side
    855,569.40x = 1,047,477,979,823.94
  5. Step 5: Solve for x
    x = 1,047,477,979,823.94/855,569.40
  6. Step 6: Final answer
    x = 1,224,305.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.