Home / 1,238,476.40-1,857,714.60-397,113.20

Finding the Fourth Proportional to 1,238,476.40, 1,857,714.60 and 397,113.20

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Solution

The fourth proportional to 1,238,476.40, 1,857,714.60 and 397,113.20 is: 595,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,476.40 : 1,857,714.60 = 397,113.20 : x
  2. Step 2: Convert to fraction form
    1,238,476.40/1,857,714.60 = 397,113.20/x
  3. Step 3: Cross multiply
    1,238,476.40x = 1,857,714.60 × 397,113.20
  4. Step 4: Simplify right side
    1,238,476.40x = 737,722,989,492.72
  5. Step 5: Solve for x
    x = 737,722,989,492.72/1,238,476.40
  6. Step 6: Final answer
    x = 595,669.80

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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.