Home / 814,241.70-1,221,362.55-578,045.70

Finding the Fourth Proportional to 814,241.70, 1,221,362.55 and 578,045.70

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Solution

The fourth proportional to 814,241.70, 1,221,362.55 and 578,045.70 is: 867,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,241.70 : 1,221,362.55 = 578,045.70 : x
  2. Step 2: Convert to fraction form
    814,241.70/1,221,362.55 = 578,045.70/x
  3. Step 3: Cross multiply
    814,241.70x = 1,221,362.55 × 578,045.70
  4. Step 4: Simplify right side
    814,241.70x = 706,003,370,168.54
  5. Step 5: Solve for x
    x = 706,003,370,168.54/814,241.70
  6. Step 6: Final answer
    x = 867,068.55

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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.