Home / 862,568.48-1,190,349.32-500,207.40

Finding the Fourth Proportional to 862,568.48, 1,190,349.32 and 500,207.40

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Solution

The fourth proportional to 862,568.48, 1,190,349.32 and 500,207.40 is: 690,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,568.48 : 1,190,349.32 = 500,207.40 : x
  2. Step 2: Convert to fraction form
    862,568.48/1,190,349.32 = 500,207.40/x
  3. Step 3: Cross multiply
    862,568.48x = 1,190,349.32 × 500,207.40
  4. Step 4: Simplify right side
    862,568.48x = 595,421,538,448.97
  5. Step 5: Solve for x
    x = 595,421,538,448.97/862,568.48
  6. Step 6: Final answer
    x = 690,289.01

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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.