Home / 1,842,005.30-2,763,007.95-512,309.30

Finding the Fourth Proportional to 1,842,005.30, 2,763,007.95 and 512,309.30

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Solution

The fourth proportional to 1,842,005.30, 2,763,007.95 and 512,309.30 is: 768,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,005.30 : 2,763,007.95 = 512,309.30 : x
  2. Step 2: Convert to fraction form
    1,842,005.30/2,763,007.95 = 512,309.30/x
  3. Step 3: Cross multiply
    1,842,005.30x = 2,763,007.95 × 512,309.30
  4. Step 4: Simplify right side
    1,842,005.30x = 1,415,514,668,758.94
  5. Step 5: Solve for x
    x = 1,415,514,668,758.94/1,842,005.30
  6. Step 6: Final answer
    x = 768,463.95

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Double scale
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Similar ratio
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1.5x scale

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.