Home / 349,742.60-524,613.90-320,582.60

Finding the Fourth Proportional to 349,742.60, 524,613.90 and 320,582.60

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Solution

The fourth proportional to 349,742.60, 524,613.90 and 320,582.60 is: 480,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,742.60 : 524,613.90 = 320,582.60 : x
  2. Step 2: Convert to fraction form
    349,742.60/524,613.90 = 320,582.60/x
  3. Step 3: Cross multiply
    349,742.60x = 524,613.90 × 320,582.60
  4. Step 4: Simplify right side
    349,742.60x = 168,182,088,058.14
  5. Step 5: Solve for x
    x = 168,182,088,058.14/349,742.60
  6. Step 6: Final answer
    x = 480,873.90

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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.