Home / 730,100.40-1,007,527.86-407,814.90

Finding the Fourth Proportional to 730,100.40, 1,007,527.86 and 407,814.90

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Solution

The fourth proportional to 730,100.40, 1,007,527.86 and 407,814.90 is: 562,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,100.40 : 1,007,527.86 = 407,814.90 : x
  2. Step 2: Convert to fraction form
    730,100.40/1,007,527.86 = 407,814.90/x
  3. Step 3: Cross multiply
    730,100.40x = 1,007,527.86 × 407,814.90
  4. Step 4: Simplify right side
    730,100.40x = 410,884,873,473.11
  5. Step 5: Solve for x
    x = 410,884,873,473.11/730,100.40
  6. Step 6: Final answer
    x = 562,778.59

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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.