Home / 1,276,937.80-1,915,406.70-566,211.40

Finding the Fourth Proportional to 1,276,937.80, 1,915,406.70 and 566,211.40

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Solution

The fourth proportional to 1,276,937.80, 1,915,406.70 and 566,211.40 is: 849,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,937.80 : 1,915,406.70 = 566,211.40 : x
  2. Step 2: Convert to fraction form
    1,276,937.80/1,915,406.70 = 566,211.40/x
  3. Step 3: Cross multiply
    1,276,937.80x = 1,915,406.70 × 566,211.40
  4. Step 4: Simplify right side
    1,276,937.80x = 1,084,525,109,176.38
  5. Step 5: Solve for x
    x = 1,084,525,109,176.38/1,276,937.80
  6. Step 6: Final answer
    x = 849,317.10

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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.