Home / 714,163.51-1,070,681.61-354,086.09

Finding the Fourth Proportional to 714,163.51, 1,070,681.61 and 354,086.09

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Solution

The fourth proportional to 714,163.51, 1,070,681.61 and 354,086.09 is: 530,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,163.51 : 1,070,681.61 = 354,086.09 : x
  2. Step 2: Convert to fraction form
    714,163.51/1,070,681.61 = 354,086.09/x
  3. Step 3: Cross multiply
    714,163.51x = 1,070,681.61 × 354,086.09
  4. Step 4: Simplify right side
    714,163.51x = 379,113,464,919.81
  5. Step 5: Solve for x
    x = 379,113,464,919.81/714,163.51
  6. Step 6: Final answer
    x = 530,849.67

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Half scale
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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.