Home / 686,581.50-1,030,028.01-243,349.50

Finding the Fourth Proportional to 686,581.50, 1,030,028.01 and 243,349.50

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Solution

The fourth proportional to 686,581.50, 1,030,028.01 and 243,349.50 is: 365,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,581.50 : 1,030,028.01 = 243,349.50 : x
  2. Step 2: Convert to fraction form
    686,581.50/1,030,028.01 = 243,349.50/x
  3. Step 3: Cross multiply
    686,581.50x = 1,030,028.01 × 243,349.50
  4. Step 4: Simplify right side
    686,581.50x = 250,656,801,219.50
  5. Step 5: Solve for x
    x = 250,656,801,219.50/686,581.50
  6. Step 6: Final answer
    x = 365,079.46

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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.