Home / 1,111,765.10-1,667,647.65-363,886.70

Finding the Fourth Proportional to 1,111,765.10, 1,667,647.65 and 363,886.70

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Solution

The fourth proportional to 1,111,765.10, 1,667,647.65 and 363,886.70 is: 545,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,765.10 : 1,667,647.65 = 363,886.70 : x
  2. Step 2: Convert to fraction form
    1,111,765.10/1,667,647.65 = 363,886.70/x
  3. Step 3: Cross multiply
    1,111,765.10x = 1,667,647.65 × 363,886.70
  4. Step 4: Simplify right side
    1,111,765.10x = 606,834,800,121.26
  5. Step 5: Solve for x
    x = 606,834,800,121.26/1,111,765.10
  6. Step 6: Final answer
    x = 545,830.05

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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.