Home / 583,780.32-805,585.57-329,115.11

Finding the Fourth Proportional to 583,780.32, 805,585.57 and 329,115.11

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Solution

The fourth proportional to 583,780.32, 805,585.57 and 329,115.11 is: 454,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,780.32 : 805,585.57 = 329,115.11 : x
  2. Step 2: Convert to fraction form
    583,780.32/805,585.57 = 329,115.11/x
  3. Step 3: Cross multiply
    583,780.32x = 805,585.57 × 329,115.11
  4. Step 4: Simplify right side
    583,780.32x = 265,130,378,634.25
  5. Step 5: Solve for x
    x = 265,130,378,634.25/583,780.32
  6. Step 6: Final answer
    x = 454,161.21

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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.