Home / 1,905,590.61-2,857,783.58-625,987.85

Finding the Fourth Proportional to 1,905,590.61, 2,857,783.58 and 625,987.85

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Solution

The fourth proportional to 1,905,590.61, 2,857,783.58 and 625,987.85 is: 938,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,590.61 : 2,857,783.58 = 625,987.85 : x
  2. Step 2: Convert to fraction form
    1,905,590.61/2,857,783.58 = 625,987.85/x
  3. Step 3: Cross multiply
    1,905,590.61x = 2,857,783.58 × 625,987.85
  4. Step 4: Simplify right side
    1,905,590.61x = 1,788,937,783,938.10
  5. Step 5: Solve for x
    x = 1,788,937,783,938.10/1,905,590.61
  6. Step 6: Final answer
    x = 938,783.90

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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.