Home / 1,286,677.52-1,929,455.56-433,590.18

Finding the Fourth Proportional to 1,286,677.52, 1,929,455.56 and 433,590.18

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Solution

The fourth proportional to 1,286,677.52, 1,929,455.56 and 433,590.18 is: 650,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,677.52 : 1,929,455.56 = 433,590.18 : x
  2. Step 2: Convert to fraction form
    1,286,677.52/1,929,455.56 = 433,590.18/x
  3. Step 3: Cross multiply
    1,286,677.52x = 1,929,455.56 × 433,590.18
  4. Step 4: Simplify right side
    1,286,677.52x = 836,592,983,562.40
  5. Step 5: Solve for x
    x = 836,592,983,562.40/1,286,677.52
  6. Step 6: Final answer
    x = 650,196.32

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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.