Home / 346,725.40-520,088.10-307,067.80

Finding the Fourth Proportional to 346,725.40, 520,088.10 and 307,067.80

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Solution

The fourth proportional to 346,725.40, 520,088.10 and 307,067.80 is: 460,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,725.40 : 520,088.10 = 307,067.80 : x
  2. Step 2: Convert to fraction form
    346,725.40/520,088.10 = 307,067.80/x
  3. Step 3: Cross multiply
    346,725.40x = 520,088.10 × 307,067.80
  4. Step 4: Simplify right side
    346,725.40x = 159,702,308,673.18
  5. Step 5: Solve for x
    x = 159,702,308,673.18/346,725.40
  6. Step 6: Final answer
    x = 460,601.70

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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.