Home / 987,914.56-1,363,317.44-535,206.72

Finding the Fourth Proportional to 987,914.56, 1,363,317.44 and 535,206.72

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Solution

The fourth proportional to 987,914.56, 1,363,317.44 and 535,206.72 is: 738,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,914.56 : 1,363,317.44 = 535,206.72 : x
  2. Step 2: Convert to fraction form
    987,914.56/1,363,317.44 = 535,206.72/x
  3. Step 3: Cross multiply
    987,914.56x = 1,363,317.44 × 535,206.72
  4. Step 4: Simplify right side
    987,914.56x = 729,656,655,381.20
  5. Step 5: Solve for x
    x = 729,656,655,381.20/987,914.56
  6. Step 6: Final answer
    x = 738,582.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.