Home / 553,895.62-830,983.46-154,536.19

Finding the Fourth Proportional to 553,895.62, 830,983.46 and 154,536.19

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Solution

The fourth proportional to 553,895.62, 830,983.46 and 154,536.19 is: 231,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,895.62 : 830,983.46 = 154,536.19 : x
  2. Step 2: Convert to fraction form
    553,895.62/830,983.46 = 154,536.19/x
  3. Step 3: Cross multiply
    553,895.62x = 830,983.46 × 154,536.19
  4. Step 4: Simplify right side
    553,895.62x = 128,417,015,011.28
  5. Step 5: Solve for x
    x = 128,417,015,011.28/553,895.62
  6. Step 6: Final answer
    x = 231,843.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.