Home / 1,052,279.04-1,578,433.14-342,310.80

Finding the Fourth Proportional to 1,052,279.04, 1,578,433.14 and 342,310.80

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Solution

The fourth proportional to 1,052,279.04, 1,578,433.14 and 342,310.80 is: 513,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,279.04 : 1,578,433.14 = 342,310.80 : x
  2. Step 2: Convert to fraction form
    1,052,279.04/1,578,433.14 = 342,310.80/x
  3. Step 3: Cross multiply
    1,052,279.04x = 1,578,433.14 × 342,310.80
  4. Step 4: Simplify right side
    1,052,279.04x = 540,314,710,899.91
  5. Step 5: Solve for x
    x = 540,314,710,899.91/1,052,279.04
  6. Step 6: Final answer
    x = 513,470.94

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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.