Home / 346,731.40-520,097.10-307,073.80

Finding the Fourth Proportional to 346,731.40, 520,097.10 and 307,073.80

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Solution

The fourth proportional to 346,731.40, 520,097.10 and 307,073.80 is: 460,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,731.40 : 520,097.10 = 307,073.80 : x
  2. Step 2: Convert to fraction form
    346,731.40/520,097.10 = 307,073.80/x
  3. Step 3: Cross multiply
    346,731.40x = 520,097.10 × 307,073.80
  4. Step 4: Simplify right side
    346,731.40x = 159,708,192,865.98
  5. Step 5: Solve for x
    x = 159,708,192,865.98/346,731.40
  6. Step 6: Final answer
    x = 460,610.70

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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.