Home / 1,051,381.32-1,577,203.17-411,602.43

Finding the Fourth Proportional to 1,051,381.32, 1,577,203.17 and 411,602.43

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Solution

The fourth proportional to 1,051,381.32, 1,577,203.17 and 411,602.43 is: 617,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,381.32 : 1,577,203.17 = 411,602.43 : x
  2. Step 2: Convert to fraction form
    1,051,381.32/1,577,203.17 = 411,602.43/x
  3. Step 3: Cross multiply
    1,051,381.32x = 1,577,203.17 × 411,602.43
  4. Step 4: Simplify right side
    1,051,381.32x = 649,180,657,375.70
  5. Step 5: Solve for x
    x = 649,180,657,375.70/1,051,381.32
  6. Step 6: Final answer
    x = 617,455.00

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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.