Home / 423,105.03-630,260.01-400,186.17

Finding the Fourth Proportional to 423,105.03, 630,260.01 and 400,186.17

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Solution

The fourth proportional to 423,105.03, 630,260.01 and 400,186.17 is: 596,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,105.03 : 630,260.01 = 400,186.17 : x
  2. Step 2: Convert to fraction form
    423,105.03/630,260.01 = 400,186.17/x
  3. Step 3: Cross multiply
    423,105.03x = 630,260.01 × 400,186.17
  4. Step 4: Simplify right side
    423,105.03x = 252,221,339,506.06
  5. Step 5: Solve for x
    x = 252,221,339,506.06/423,105.03
  6. Step 6: Final answer
    x = 596,119.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.