Home / 526,041.40-789,062.10-193,574.20

Finding the Fourth Proportional to 526,041.40, 789,062.10 and 193,574.20

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Solution

The fourth proportional to 526,041.40, 789,062.10 and 193,574.20 is: 290,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,041.40 : 789,062.10 = 193,574.20 : x
  2. Step 2: Convert to fraction form
    526,041.40/789,062.10 = 193,574.20/x
  3. Step 3: Cross multiply
    526,041.40x = 789,062.10 × 193,574.20
  4. Step 4: Simplify right side
    526,041.40x = 152,742,064,757.82
  5. Step 5: Solve for x
    x = 152,742,064,757.82/526,041.40
  6. Step 6: Final answer
    x = 290,361.30

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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.