Home / 814,226.70-1,221,340.05-578,030.70

Finding the Fourth Proportional to 814,226.70, 1,221,340.05 and 578,030.70

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Solution

The fourth proportional to 814,226.70, 1,221,340.05 and 578,030.70 is: 867,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,226.70 : 1,221,340.05 = 578,030.70 : x
  2. Step 2: Convert to fraction form
    814,226.70/1,221,340.05 = 578,030.70/x
  3. Step 3: Cross multiply
    814,226.70x = 1,221,340.05 × 578,030.70
  4. Step 4: Simplify right side
    814,226.70x = 705,972,044,039.54
  5. Step 5: Solve for x
    x = 705,972,044,039.54/814,226.70
  6. Step 6: Final answer
    x = 867,046.05

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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.