Home / 534,000.93-736,919.37-288,985.20

Finding the Fourth Proportional to 534,000.93, 736,919.37 and 288,985.20

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Solution

The fourth proportional to 534,000.93, 736,919.37 and 288,985.20 is: 398,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,000.93 : 736,919.37 = 288,985.20 : x
  2. Step 2: Convert to fraction form
    534,000.93/736,919.37 = 288,985.20/x
  3. Step 3: Cross multiply
    534,000.93x = 736,919.37 × 288,985.20
  4. Step 4: Simplify right side
    534,000.93x = 212,958,791,523.32
  5. Step 5: Solve for x
    x = 212,958,791,523.32/534,000.93
  6. Step 6: Final answer
    x = 398,798.54

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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.