Home / 767,216.30-1,151,156.40-411,815.30

Finding the Fourth Proportional to 767,216.30, 1,151,156.40 and 411,815.30

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Solution

The fourth proportional to 767,216.30, 1,151,156.40 and 411,815.30 is: 617,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,216.30 : 1,151,156.40 = 411,815.30 : x
  2. Step 2: Convert to fraction form
    767,216.30/1,151,156.40 = 411,815.30/x
  3. Step 3: Cross multiply
    767,216.30x = 1,151,156.40 × 411,815.30
  4. Step 4: Simplify right side
    767,216.30x = 474,063,818,212.92
  5. Step 5: Solve for x
    x = 474,063,818,212.92/767,216.30
  6. Step 6: Final answer
    x = 617,901.13

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Double scale
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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.