Home / 1,276,904.80-1,915,357.20-566,178.40

Finding the Fourth Proportional to 1,276,904.80, 1,915,357.20 and 566,178.40

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Solution

The fourth proportional to 1,276,904.80, 1,915,357.20 and 566,178.40 is: 849,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,904.80 : 1,915,357.20 = 566,178.40 : x
  2. Step 2: Convert to fraction form
    1,276,904.80/1,915,357.20 = 566,178.40/x
  3. Step 3: Cross multiply
    1,276,904.80x = 1,915,357.20 × 566,178.40
  4. Step 4: Simplify right side
    1,276,904.80x = 1,084,433,874,924.48
  5. Step 5: Solve for x
    x = 1,084,433,874,924.48/1,276,904.80
  6. Step 6: Final answer
    x = 849,267.60

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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.