Home / 1,052,281.04-1,578,436.14-342,312.80

Finding the Fourth Proportional to 1,052,281.04, 1,578,436.14 and 342,312.80

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Solution

The fourth proportional to 1,052,281.04, 1,578,436.14 and 342,312.80 is: 513,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,281.04 : 1,578,436.14 = 342,312.80 : x
  2. Step 2: Convert to fraction form
    1,052,281.04/1,578,436.14 = 342,312.80/x
  3. Step 3: Cross multiply
    1,052,281.04x = 1,578,436.14 × 342,312.80
  4. Step 4: Simplify right side
    1,052,281.04x = 540,318,894,704.59
  5. Step 5: Solve for x
    x = 540,318,894,704.59/1,052,281.04
  6. Step 6: Final answer
    x = 513,473.94

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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.