Home / 358,112.80-536,521.20-283,722.40

Finding the Fourth Proportional to 358,112.80, 536,521.20 and 283,722.40

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Solution

The fourth proportional to 358,112.80, 536,521.20 and 283,722.40 is: 425,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,112.80 : 536,521.20 = 283,722.40 : x
  2. Step 2: Convert to fraction form
    358,112.80/536,521.20 = 283,722.40/x
  3. Step 3: Cross multiply
    358,112.80x = 536,521.20 × 283,722.40
  4. Step 4: Simplify right side
    358,112.80x = 152,223,082,514.88
  5. Step 5: Solve for x
    x = 152,223,082,514.88/358,112.80
  6. Step 6: Final answer
    x = 425,070.21

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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.