Home / 1,085,418-1,497,635.42-626,435.28

Finding the Fourth Proportional to 1,085,418, 1,497,635.42 and 626,435.28

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Solution

The fourth proportional to 1,085,418, 1,497,635.42 and 626,435.28 is: 864,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,418 : 1,497,635.42 = 626,435.28 : x
  2. Step 2: Convert to fraction form
    1,085,418/1,497,635.42 = 626,435.28/x
  3. Step 3: Cross multiply
    1,085,418x = 1,497,635.42 × 626,435.28
  4. Step 4: Simplify right side
    1,085,418x = 938,171,663,665.62
  5. Step 5: Solve for x
    x = 938,171,663,665.62/1,085,418
  6. Step 6: Final answer
    x = 864,341.35

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1.5x scale

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.