Home / 1,142,718.04-1,576,916.75-626,454.28

Finding the Fourth Proportional to 1,142,718.04, 1,576,916.75 and 626,454.28

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Solution

The fourth proportional to 1,142,718.04, 1,576,916.75 and 626,454.28 is: 864,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,718.04 : 1,576,916.75 = 626,454.28 : x
  2. Step 2: Convert to fraction form
    1,142,718.04/1,576,916.75 = 626,454.28/x
  3. Step 3: Cross multiply
    1,142,718.04x = 1,576,916.75 × 626,454.28
  4. Step 4: Simplify right side
    1,142,718.04x = 987,866,250,778.47
  5. Step 5: Solve for x
    x = 987,866,250,778.47/1,142,718.04
  6. Step 6: Final answer
    x = 864,488.19

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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.