Home / 814,227.70-1,221,341.55-578,031.70

Finding the Fourth Proportional to 814,227.70, 1,221,341.55 and 578,031.70

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Solution

The fourth proportional to 814,227.70, 1,221,341.55 and 578,031.70 is: 867,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,227.70 : 1,221,341.55 = 578,031.70 : x
  2. Step 2: Convert to fraction form
    814,227.70/1,221,341.55 = 578,031.70/x
  3. Step 3: Cross multiply
    814,227.70x = 1,221,341.55 × 578,031.70
  4. Step 4: Simplify right side
    814,227.70x = 705,974,132,427.14
  5. Step 5: Solve for x
    x = 705,974,132,427.14/814,227.70
  6. Step 6: Final answer
    x = 867,047.55

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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.