Home / 748,987.13-1,033,605.88-409,455.38

Finding the Fourth Proportional to 748,987.13, 1,033,605.88 and 409,455.38

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Solution

The fourth proportional to 748,987.13, 1,033,605.88 and 409,455.38 is: 565,050.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,987.13 : 1,033,605.88 = 409,455.38 : x
  2. Step 2: Convert to fraction form
    748,987.13/1,033,605.88 = 409,455.38/x
  3. Step 3: Cross multiply
    748,987.13x = 1,033,605.88 × 409,455.38
  4. Step 4: Simplify right side
    748,987.13x = 423,215,482,173.97
  5. Step 5: Solve for x
    x = 423,215,482,173.97/748,987.13
  6. Step 6: Final answer
    x = 565,050.41

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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.