Home / 346,730.10-520,095.15-226,979.70

Finding the Fourth Proportional to 346,730.10, 520,095.15 and 226,979.70

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Solution

The fourth proportional to 346,730.10, 520,095.15 and 226,979.70 is: 340,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,730.10 : 520,095.15 = 226,979.70 : x
  2. Step 2: Convert to fraction form
    346,730.10/520,095.15 = 226,979.70/x
  3. Step 3: Cross multiply
    346,730.10x = 520,095.15 × 226,979.70
  4. Step 4: Simplify right side
    346,730.10x = 118,051,041,118.46
  5. Step 5: Solve for x
    x = 118,051,041,118.46/346,730.10
  6. Step 6: Final answer
    x = 340,469.55

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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.