Home / 1,258,028.93-1,736,034.30-768,816.89

Finding the Fourth Proportional to 1,258,028.93, 1,736,034.30 and 768,816.89

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Solution

The fourth proportional to 1,258,028.93, 1,736,034.30 and 768,816.89 is: 1,060,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,028.93 : 1,736,034.30 = 768,816.89 : x
  2. Step 2: Convert to fraction form
    1,258,028.93/1,736,034.30 = 768,816.89/x
  3. Step 3: Cross multiply
    1,258,028.93x = 1,736,034.30 × 768,816.89
  4. Step 4: Simplify right side
    1,258,028.93x = 1,334,692,482,779.16
  5. Step 5: Solve for x
    x = 1,334,692,482,779.16/1,258,028.93
  6. Step 6: Final answer
    x = 1,060,939.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.