Home / 659,245.32-909,776.34-404,445.24

Finding the Fourth Proportional to 659,245.32, 909,776.34 and 404,445.24

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Solution

The fourth proportional to 659,245.32, 909,776.34 and 404,445.24 is: 558,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,245.32 : 909,776.34 = 404,445.24 : x
  2. Step 2: Convert to fraction form
    659,245.32/909,776.34 = 404,445.24/x
  3. Step 3: Cross multiply
    659,245.32x = 909,776.34 × 404,445.24
  4. Step 4: Simplify right side
    659,245.32x = 367,954,710,177.62
  5. Step 5: Solve for x
    x = 367,954,710,177.62/659,245.32
  6. Step 6: Final answer
    x = 558,145.35

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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.