Home / 677,555.04-935,019.57-371,625.21

Finding the Fourth Proportional to 677,555.04, 935,019.57 and 371,625.21

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Solution

The fourth proportional to 677,555.04, 935,019.57 and 371,625.21 is: 512,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,555.04 : 935,019.57 = 371,625.21 : x
  2. Step 2: Convert to fraction form
    677,555.04/935,019.57 = 371,625.21/x
  3. Step 3: Cross multiply
    677,555.04x = 935,019.57 × 371,625.21
  4. Step 4: Simplify right side
    677,555.04x = 347,476,844,055.36
  5. Step 5: Solve for x
    x = 347,476,844,055.36/677,555.04
  6. Step 6: Final answer
    x = 512,839.29

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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.