Home / 1,111,686.05-1,667,120.64-382,002.35

Finding the Fourth Proportional to 1,111,686.05, 1,667,120.64 and 382,002.35

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Solution

The fourth proportional to 1,111,686.05, 1,667,120.64 and 382,002.35 is: 572,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,686.05 : 1,667,120.64 = 382,002.35 : x
  2. Step 2: Convert to fraction form
    1,111,686.05/1,667,120.64 = 382,002.35/x
  3. Step 3: Cross multiply
    1,111,686.05x = 1,667,120.64 × 382,002.35
  4. Step 4: Simplify right side
    1,111,686.05x = 636,843,992,445.39
  5. Step 5: Solve for x
    x = 636,843,992,445.39/1,111,686.05
  6. Step 6: Final answer
    x = 572,863.17

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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.