Home / 1,292,558.15-1,937,631.39-439,045.85

Finding the Fourth Proportional to 1,292,558.15, 1,937,631.39 and 439,045.85

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Solution

The fourth proportional to 1,292,558.15, 1,937,631.39 and 439,045.85 is: 658,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,558.15 : 1,937,631.39 = 439,045.85 : x
  2. Step 2: Convert to fraction form
    1,292,558.15/1,937,631.39 = 439,045.85/x
  3. Step 3: Cross multiply
    1,292,558.15x = 1,937,631.39 × 439,045.85
  4. Step 4: Simplify right side
    1,292,558.15x = 850,709,010,921.08
  5. Step 5: Solve for x
    x = 850,709,010,921.08/1,292,558.15
  6. Step 6: Final answer
    x = 658,159.18

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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.