Home / 1,218,083.40-1,827,125.10-376,720.20

Finding the Fourth Proportional to 1,218,083.40, 1,827,125.10 and 376,720.20

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Solution

The fourth proportional to 1,218,083.40, 1,827,125.10 and 376,720.20 is: 565,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,083.40 : 1,827,125.10 = 376,720.20 : x
  2. Step 2: Convert to fraction form
    1,218,083.40/1,827,125.10 = 376,720.20/x
  3. Step 3: Cross multiply
    1,218,083.40x = 1,827,125.10 × 376,720.20
  4. Step 4: Simplify right side
    1,218,083.40x = 688,314,933,097.02
  5. Step 5: Solve for x
    x = 688,314,933,097.02/1,218,083.40
  6. Step 6: Final answer
    x = 565,080.30

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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.