Home / 440,330.90-607,842.70-297,284.72

Finding the Fourth Proportional to 440,330.90, 607,842.70 and 297,284.72

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Solution

The fourth proportional to 440,330.90, 607,842.70 and 297,284.72 is: 410,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,330.90 : 607,842.70 = 297,284.72 : x
  2. Step 2: Convert to fraction form
    440,330.90/607,842.70 = 297,284.72/x
  3. Step 3: Cross multiply
    440,330.90x = 607,842.70 × 297,284.72
  4. Step 4: Simplify right side
    440,330.90x = 180,702,346,873.54
  5. Step 5: Solve for x
    x = 180,702,346,873.54/440,330.90
  6. Step 6: Final answer
    x = 410,378.53

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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.