Home / 1,304,313.40-1,956,470.10-357,779.80

Finding the Fourth Proportional to 1,304,313.40, 1,956,470.10 and 357,779.80

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Solution

The fourth proportional to 1,304,313.40, 1,956,470.10 and 357,779.80 is: 536,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,313.40 : 1,956,470.10 = 357,779.80 : x
  2. Step 2: Convert to fraction form
    1,304,313.40/1,956,470.10 = 357,779.80/x
  3. Step 3: Cross multiply
    1,304,313.40x = 1,956,470.10 × 357,779.80
  4. Step 4: Simplify right side
    1,304,313.40x = 699,985,481,083.98
  5. Step 5: Solve for x
    x = 699,985,481,083.98/1,304,313.40
  6. Step 6: Final answer
    x = 536,669.70

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Double scale
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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.