Home / 1,252,045.12-1,878,143.72-353,554.60

Finding the Fourth Proportional to 1,252,045.12, 1,878,143.72 and 353,554.60

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Solution

The fourth proportional to 1,252,045.12, 1,878,143.72 and 353,554.60 is: 530,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,045.12 : 1,878,143.72 = 353,554.60 : x
  2. Step 2: Convert to fraction form
    1,252,045.12/1,878,143.72 = 353,554.60/x
  3. Step 3: Cross multiply
    1,252,045.12x = 1,878,143.72 × 353,554.60
  4. Step 4: Simplify right side
    1,252,045.12x = 664,026,351,667.11
  5. Step 5: Solve for x
    x = 664,026,351,667.11/1,252,045.12
  6. Step 6: Final answer
    x = 530,353.37

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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.