Home / 459,965.40-689,697.68-160,365.40

Finding the Fourth Proportional to 459,965.40, 689,697.68 and 160,365.40

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Solution

The fourth proportional to 459,965.40, 689,697.68 and 160,365.40 is: 240,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,965.40 : 689,697.68 = 160,365.40 : x
  2. Step 2: Convert to fraction form
    459,965.40/689,697.68 = 160,365.40/x
  3. Step 3: Cross multiply
    459,965.40x = 689,697.68 × 160,365.40
  4. Step 4: Simplify right side
    459,965.40x = 110,603,644,332.27
  5. Step 5: Solve for x
    x = 110,603,644,332.27/459,965.40
  6. Step 6: Final answer
    x = 240,460.79

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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.