Home / 423,390.18-584,012.67-251,186.23

Finding the Fourth Proportional to 423,390.18, 584,012.67 and 251,186.23

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Solution

The fourth proportional to 423,390.18, 584,012.67 and 251,186.23 is: 346,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,390.18 : 584,012.67 = 251,186.23 : x
  2. Step 2: Convert to fraction form
    423,390.18/584,012.67 = 251,186.23/x
  3. Step 3: Cross multiply
    423,390.18x = 584,012.67 × 251,186.23
  4. Step 4: Simplify right side
    423,390.18x = 146,695,940,849.53
  5. Step 5: Solve for x
    x = 146,695,940,849.53/423,390.18
  6. Step 6: Final answer
    x = 346,479.32

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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.