Home / 1,286,677.77-1,929,455.92-433,590.42

Finding the Fourth Proportional to 1,286,677.77, 1,929,455.92 and 433,590.42

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Solution

The fourth proportional to 1,286,677.77, 1,929,455.92 and 433,590.42 is: 650,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,677.77 : 1,929,455.92 = 433,590.42 : x
  2. Step 2: Convert to fraction form
    1,286,677.77/1,929,455.92 = 433,590.42/x
  3. Step 3: Cross multiply
    1,286,677.77x = 1,929,455.92 × 433,590.42
  4. Step 4: Simplify right side
    1,286,677.77x = 836,593,602,724.29
  5. Step 5: Solve for x
    x = 836,593,602,724.29/1,286,677.77
  6. Step 6: Final answer
    x = 650,196.67

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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.