Home / 849,215.07-1,171,724.13-619,897.32

Finding the Fourth Proportional to 849,215.07, 1,171,724.13 and 619,897.32

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Solution

The fourth proportional to 849,215.07, 1,171,724.13 and 619,897.32 is: 855,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,215.07 : 1,171,724.13 = 619,897.32 : x
  2. Step 2: Convert to fraction form
    849,215.07/1,171,724.13 = 619,897.32/x
  3. Step 3: Cross multiply
    849,215.07x = 1,171,724.13 × 619,897.32
  4. Step 4: Simplify right side
    849,215.07x = 726,348,647,966.33
  5. Step 5: Solve for x
    x = 726,348,647,966.33/849,215.07
  6. Step 6: Final answer
    x = 855,317.66

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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.